cvelistv5 - cve-2025-20350

CVE-2025-20350 (GCVE-0-2025-20350)

Vulnerability from cvelistv5

Published

2025-10-15 16:15

Modified

2025-10-15 17:42

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-121 - Stack-based Buffer Overflow

Summary

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.

References

URL

Tags

psirt@cisco.com

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A

Impacted products

	Vendor	Product	Version
	Cisco	Cisco Session Initiation Protocol (SIP) Software	Version: 12.1(1)SR1 Version: 11.5(1) Version: 10.3(2) Version: 10.2(2) Version: 10.3(1) Version: 10.3(1)SR4 Version: 11.0(1) Version: 10.4(1)SR2 3rd Party Version: 11.7(1) Version: 12.1(1) Version: 11.0(0.7) MPP Version: 9.3(4) 3rd Party Version: 12.5(1)SR2 Version: 10.2(1)SR1 Version: 9.3(4)SR3 3rd Party Version: 10.2(1) Version: 12.5(1) Version: 10.3(1)SR2 Version: 11-0-1MSR1-1 Version: 10.4(1) 3rd Party Version: 12.5(1)SR1 Version: 11.5(1)SR1 Version: 10.1(1)SR2 Version: 12.0(1)SR2 Version: 12.6(1) Version: 10.3(1.11) 3rd Party Version: 12.0(1) Version: 12.0(1)SR1 Version: 9.3(3) Version: 12.5(1)SR3 Version: 10.3(1)SR4b Version: 9.3(4)SR1 3rd Party Version: 10.3(1)SR5 Version: 10.1(1.9) Version: 10.3(1.9) 3rd Party Version: 9.3(4)SR2 3rd Party Version: 10.3(1)SR1 Version: 10.3(1)SR3 Version: 10.1(1)SR1 Version: 12.0(1)SR3 Version: 12.6(1)SR1 Version: 12.7(1) Version: 10.3(1)SR6 Version: 12.8(1) Version: 12.7(1)SR1 Version: 11.0(2)SR1 Version: 11.0(4) Version: 11.0(2) Version: 11.0(4)SR3 Version: 11.0(5) Version: 11.0(3)SR2 Version: 11.0(3)SR4 Version: 11.0(3)SR3 Version: 11.0(2)SR2 Version: 11.0(4)SR1 Version: 11.0(5)SR3 Version: 11.0(3) Version: 11.0(5)SR2 Version: 11.0(3)SR6 Version: 11.0(5)SR1 Version: 11.0(4)SR2 Version: 11.0(3)SR1 Version: 11.0(3)SR5 Version: 11.0(6) Version: 12.8(1)SR1 Version: 12.8(1)SR2 Version: 14.0(1) Version: 14.0(1)SR1 Version: 11.0(6)SR1 Version: 10.3(1)SR7 Version: 14.0(1)SR2 Version: 14.1(1) Version: 14.0(1)SR3 Version: 11.0(6)SR2 Version: 14.1(1)SR1 Version: 14.1(1)SR2 Version: 11.0(6)SR4 Version: 14.2(1) Version: 14.2(1)SR1 Version: 11.0(6)SR5 Version: 14.1(1)SR3 Version: 14.2(1)SR2 Version: 3.1(1) Version: 3.0(1) Version: 2.3(1) Version: 2.3(1)SR1 Version: 2.2(1) Version: 2.1(1) Version: 2.0(1) Version: 14.2(1)SR3 Version: 3.1(1)SR1 Version: 14.3(1) Version: 3.2(1) Version: 14.3(1)SR1 Version: 14.2(1)SR4 Version: 11.0(6)SR6

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                "id": "CVE-2025-20350",
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MPP\"}, {\"status\": \"affected\", \"version\": \"9.3(4) 3rd Party\"}, {\"status\": \"affected\", \"version\": \"12.5(1)SR2\"}, {\"status\": \"affected\", \"version\": \"10.2(1)SR1\"}, {\"status\": \"affected\", \"version\": \"9.3(4)SR3 3rd Party\"}, {\"status\": \"affected\", \"version\": \"10.2(1)\"}, {\"status\": \"affected\", \"version\": \"12.5(1)\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR2\"}, {\"status\": \"affected\", \"version\": \"11-0-1MSR1-1\"}, {\"status\": \"affected\", \"version\": \"10.4(1) 3rd Party\"}, {\"status\": \"affected\", \"version\": \"12.5(1)SR1\"}, {\"status\": \"affected\", \"version\": \"11.5(1)SR1\"}, {\"status\": \"affected\", \"version\": \"10.1(1)SR2\"}, {\"status\": \"affected\", \"version\": \"12.0(1)SR2\"}, {\"status\": \"affected\", \"version\": \"12.6(1)\"}, {\"status\": \"affected\", \"version\": \"10.3(1.11) 3rd Party\"}, {\"status\": \"affected\", \"version\": \"12.0(1)\"}, {\"status\": \"affected\", \"version\": \"12.0(1)SR1\"}, {\"status\": \"affected\", \"version\": \"9.3(3)\"}, {\"status\": \"affected\", \"version\": \"12.5(1)SR3\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR4b\"}, {\"status\": \"affected\", \"version\": \"9.3(4)SR1 3rd Party\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR5\"}, {\"status\": \"affected\", \"version\": \"10.1(1.9)\"}, {\"status\": \"affected\", \"version\": \"10.3(1.9) 3rd Party\"}, {\"status\": \"affected\", \"version\": \"9.3(4)SR2 3rd Party\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR1\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR3\"}, {\"status\": \"affected\", \"version\": \"10.1(1)SR1\"}, {\"status\": \"affected\", \"version\": \"12.0(1)SR3\"}, {\"status\": \"affected\", \"version\": \"12.6(1)SR1\"}, {\"status\": \"affected\", \"version\": \"12.7(1)\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR6\"}, {\"status\": \"affected\", \"version\": \"12.8(1)\"}, {\"status\": \"affected\", \"version\": \"12.7(1)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(2)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(4)\"}, {\"status\": \"affected\", \"version\": \"11.0(2)\"}, {\"status\": \"affected\", \"version\": \"11.0(4)SR3\"}, {\"status\": \"affected\", \"version\": \"11.0(5)\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR2\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR4\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR3\"}, {\"status\": \"affected\", \"version\": \"11.0(2)SR2\"}, {\"status\": \"affected\", \"version\": \"11.0(4)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(5)SR3\"}, {\"status\": \"affected\", \"version\": \"11.0(3)\"}, {\"status\": \"affected\", \"version\": \"11.0(5)SR2\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR6\"}, {\"status\": \"affected\", \"version\": \"11.0(5)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(4)SR2\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(3)SR5\"}, {\"status\": \"affected\", \"version\": \"11.0(6)\"}, {\"status\": \"affected\", \"version\": \"12.8(1)SR1\"}, {\"status\": \"affected\", \"version\": \"12.8(1)SR2\"}, {\"status\": \"affected\", \"version\": \"14.0(1)\"}, {\"status\": \"affected\", \"version\": \"14.0(1)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(6)SR1\"}, {\"status\": \"affected\", \"version\": \"10.3(1)SR7\"}, {\"status\": \"affected\", \"version\": \"14.0(1)SR2\"}, {\"status\": \"affected\", \"version\": \"14.1(1)\"}, {\"status\": \"affected\", \"version\": \"14.0(1)SR3\"}, {\"status\": \"affected\", \"version\": \"11.0(6)SR2\"}, {\"status\": \"affected\", \"version\": \"14.1(1)SR1\"}, {\"status\": \"affected\", \"version\": \"14.1(1)SR2\"}, {\"status\": \"affected\", \"version\": \"11.0(6)SR4\"}, {\"status\": \"affected\", \"version\": \"14.2(1)\"}, {\"status\": \"affected\", \"version\": \"14.2(1)SR1\"}, {\"status\": \"affected\", \"version\": \"11.0(6)SR5\"}, {\"status\": \"affected\", \"version\": \"14.1(1)SR3\"}, {\"status\": \"affected\", \"version\": \"14.2(1)SR2\"}, {\"status\": \"affected\", \"version\": \"3.1(1)\"}, {\"status\": \"affected\", \"version\": \"3.0(1)\"}, {\"status\": \"affected\", \"version\": \"2.3(1)\"}, {\"status\": \"affected\", \"version\": \"2.3(1)SR1\"}, {\"status\": \"affected\", \"version\": \"2.2(1)\"}, {\"status\": \"affected\", \"version\": \"2.1(1)\"}, {\"status\": \"affected\", \"version\": \"2.0(1)\"}, {\"status\": \"affected\", \"version\": \"14.2(1)SR3\"}, {\"status\": \"affected\", \"version\": \"3.1(1)SR1\"}, {\"status\": \"affected\", \"version\": \"14.3(1)\"}, {\"status\": \"affected\", \"version\": \"3.2(1)\"}, {\"status\": \"affected\", \"version\": \"14.3(1)SR1\"}, {\"status\": \"affected\", \"version\": \"14.2(1)SR4\"}, {\"status\": \"affected\", \"version\": \"11.0(6)SR6\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A\", \"name\": \"cisco-sa-phone-dos-FPyjLV7A\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.\\r\\n\\r\\nThis vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\\r\\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-121\", \"description\": \"Stack-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-10-15T16:15:10.244Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-20350\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-15T17:42:59.642Z\", \"dateReserved\": \"2024-10-10T19:15:13.257Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-10-15T16:15:10.244Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

cisco-sa-phone-dos-fpyjlv7a

Vulnerability from csaf_cisco

Published

2025-10-15 16:00

Modified

2025-10-15 16:00

Summary

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities

Notes

Summary

Multiple vulnerabilities in Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco Session Initiation Protocol (SIP) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or conduct a cross-site scripting (XSS) attack against a user of the web UI. Note: To exploit these vulnerabilities, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

Vulnerable Products

These vulnerabilities affect the following Cisco products if they are running a vulnerable release of Cisco SIP Software, are registered to Cisco Unified Communications Manager, and have Web Access enabled: Desk Phone 9800 Series IP Phone 7800 Series IP Phone 8800 Series Video Phone 8875 The Web Access feature is disabled by default. For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory. Determine Whether Web Access Is Enabled To determine whether Web Access is enabled, use the following steps: Press the gear icon on the front of the phone to access the Settings menu. Choose Admin settings > Network Setup > Ethernet setup or Wi-Fi client setup > IPv4 setup. See the IP address for the phone. On a device that has access to the internet, open a web browser and enter the IP address in the address bar. Press Enter. If the Device Information screen appears in the web browser, then Web Access is enabled on the phone.

Products Confirmed Not Vulnerable

Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by these vulnerabilities. Cisco has confirmed that these vulnerabilities do not affect Cisco IP Phone 7800 Series or 8800 Series that are running Cisco Multiplatform Firmware.

Details

The vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit the other vulnerability. In addition, a software release that is affected by one of the vulnerabilities may not be affected by the other vulnerability. Details about the vulnerabilities are as follows: Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software DoS Vulnerability A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCwn51601 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51601"], CSCwn60480 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60480"], CSCwn60481 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60481"], CSCwn60482 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60482"], CSCwn60484 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60484"], CSCwn60491 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60491"], CSCwn60492 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60492"], CSCwn60493 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60493"], CSCwn60494 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60494"] CVE ID: CVE-2025-20350 Security Impact Rating (SIR): High CVSS Base Score: 7.5 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software XSS Vulnerability A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS attacks against a user of the web UI. This vulnerability exists because the web UI of an affected device does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCwn51683 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51683"], CSCwn58671 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58671"], CSCwn58673 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58673"], CSCwn58674 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58674"], CSCwn58676 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58676"], CSCwn58683 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58683"], CSCwn58684 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58684"], CSCwn58685 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58685"], CSCwn58687 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58687"] CVE ID: CVE-2025-20351 Security Impact Rating (SIR): Medium CVSS Base Score: 6.1 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Workarounds

There are no workarounds that address these vulnerabilities. However, disabling Web Access mitigates these vulnerabilities. To enable or disable Web Access on a specific device, follow these steps: Log in to the Communications Manager to which the phone is registered using administrative privileges, which allow modification of devices. Choose Device > Phone. Enter the search criteria in the search box and click Find. Choose the appropriate device from the Device Name list. Under Web Access, use the toggle button to choose Enabled or Disabled, and click Save. To verify that the desired state has been set, enter the IP address of the phone into a browser window on a device that has internet access, and click Enter. To enable or disable Web Access on multiple devices, use the Bulk Admin Tool (BAT) as detailed in the Bulk Administration Guide for Cisco Unified Communications Manager ["https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/bat/14SU1/cucm_b_bulk-administration-guide-14SU1/cucm_b_bulk-administration-guide-1251su2_chapter_01.html"]. While this mitigation has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.

Fixed Software

Cisco considers any workarounds and mitigations to be temporary solutions until an upgrade to a fixed software release is available. To fully remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory. Fixed Releases In the following tables, the left column lists Cisco software releases. The center and right columns indicate whether a release is affected by the vulnerabilities that are described in this advisory and the first release that includes the fix for these vulnerabilities. Customers are advised to upgrade to an appropriate fixed software release ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] as indicated in this section. Desk Phone 9800 Series Cisco SIP Software Release First Fixed Release for CVE-2025-20350 First Fixed Release for CVE-2025-20351 3 3.3(1) 3.3(1) IP Phone 7800 and 8800 Series Cisco SIP Software Release First Fixed Release for CVE-2025-20350 First Fixed Release for CVE-2025-20351 Earlier than 14.3 Migrate to a fixed release. Migrate to a fixed release. 14.3 14.3(1)SR2 Migrate to a fixed release. 14.4 Not vulnerable. 14.4(1) IP Phone 8821 Cisco SIP Software Release First Fixed Release for CVE-2025-20350 First Fixed Release for CVE-2025-20351 Earlier than 11 Migrate to a fixed release. Migrate to a fixed release. 11 11.0(6)SR7 11.0(6)SR7 Video Phone 8875 Cisco SIP Software Release First Fixed Release for CVE-2025-20350 First Fixed Release for CVE-2025-20351 2.3(1)SR1 and earlier Migrate to a fixed release. Migrate to a fixed release. 3 3.3(1) 3.3(1) The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.

Vulnerability Policy

To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

Exploitation and Public Announcements

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

Source

These vulnerabilities were found during internal security testing by Kent Yoder of the Cisco Advanced Security Initiatives Group (ASIG).

Legal Disclaimer

SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT The Cisco Support and Downloads ["https://www.cisco.com/c/en/us/support/index.html"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid. Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories ["https://www.cisco.com/go/psirt"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"] or their contracted maintenance providers. LEGAL DISCLAIMER DETAILS CISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. Copies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories ["https://www.cisco.com/go/psirt"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] for more information.

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{
  "document": {
    "acknowledgments": [
      {
        "summary": "These vulnerabilities were found during internal security testing by Kent Yoder of the Cisco Advanced Security Initiatives Group (ASIG)."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "Multiple vulnerabilities in Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco Session Initiation Protocol (SIP) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or conduct a cross-site scripting (XSS) attack against a user of the web UI.\r\n\r\nNote: To exploit these vulnerabilities, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.\r\n\r\nFor more information about these vulnerabilities, see the Details [\"#details\"] section of this advisory.\r\n\r\nCisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "These vulnerabilities affect the following Cisco products if they are running a vulnerable release of Cisco SIP Software, are registered to Cisco Unified Communications Manager, and have Web Access enabled:\r\n\r\nDesk Phone 9800 Series\r\nIP Phone 7800 Series\r\nIP Phone 8800 Series\r\nVideo Phone 8875\r\n\r\nThe Web Access feature is disabled by default.\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n  Determine Whether Web Access Is Enabled\r\nTo determine whether Web Access is enabled, use the following steps:\r\n\r\nPress the gear icon on the front of the phone to access the Settings menu.\r\nChoose Admin settings \u003e Network Setup \u003e Ethernet setup or Wi-Fi client setup \u003e IPv4 setup. See the IP address for the phone.\r\nOn a device that has access to the internet, open a web browser and enter the IP address in the address bar. Press Enter.\r\n\r\nIf the Device Information screen appears in the web browser, then Web Access is enabled on the phone.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by these vulnerabilities.\r\n\r\nCisco has confirmed that these vulnerabilities do not affect Cisco IP Phone 7800 Series or 8800 Series that are running Cisco Multiplatform Firmware.",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "The vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit the other vulnerability. In addition, a software release that is affected by one of the vulnerabilities may not be affected by the other vulnerability.\r\n\r\nDetails about the vulnerabilities are as follows:\r\n\r\nCisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software DoS Vulnerability\r\n\r\nA vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.\r\n\r\nThis vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\r\n\r\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nBug ID(s): CSCwn51601 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51601\"], CSCwn60480 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60480\"], CSCwn60481 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60481\"], CSCwn60482 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60482\"], CSCwn60484 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60484\"], CSCwn60491 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60491\"], CSCwn60492 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60492\"], CSCwn60493 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60493\"], CSCwn60494 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60494\"]\r\nCVE ID: CVE-2025-20350\r\nSecurity Impact Rating (SIR): High\r\nCVSS Base Score: 7.5\r\nCVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\r\n\r\nCisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software XSS Vulnerability\r\n\r\nA vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS attacks against a user of the web UI.\r\n\r\nThis vulnerability exists because the web UI of an affected device does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.\r\n\r\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nBug ID(s): CSCwn51683 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51683\"], CSCwn58671 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58671\"], CSCwn58673 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58673\"], CSCwn58674 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58674\"], CSCwn58676 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58676\"], CSCwn58683 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58683\"], CSCwn58684 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58684\"], CSCwn58685 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58685\"], CSCwn58687 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58687\"]\r\nCVE ID: CVE-2025-20351\r\nSecurity Impact Rating (SIR): Medium\r\nCVSS Base Score: 6.1\r\nCVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
        "title": "Details"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address these vulnerabilities. However, disabling Web Access mitigates these vulnerabilities.\r\n\r\nTo enable or disable Web Access on a specific device, follow these steps:\r\n\r\n\r\nLog in to the Communications Manager to which the phone is registered using administrative privileges, which allow modification of devices.\r\nChoose Device \u003e Phone.\r\nEnter the search criteria in the search box and click Find.\r\nChoose the appropriate device from the Device Name list.\r\nUnder Web Access, use the toggle button to choose Enabled or Disabled, and click Save.\r\n\r\nTo verify that the desired state has been set, enter the IP address of the phone into a browser window on a device that has internet access, and click Enter.\r\n\r\nTo enable or disable Web Access on multiple devices, use the Bulk Admin Tool (BAT) as detailed in the Bulk Administration Guide for Cisco Unified Communications Manager [\"https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/bat/14SU1/cucm_b_bulk-administration-guide-14SU1/cucm_b_bulk-administration-guide-1251su2_chapter_01.html\"].\r\n\r\nWhile this mitigation has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco considers any workarounds and mitigations to be temporary solutions until an upgrade to a fixed software release is available. To fully remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.\r\n      Fixed Releases\r\nIn the following tables, the left column lists Cisco software releases. The center and right columns indicate whether a release is affected by the vulnerabilities that are described in this advisory and the first release that includes the fix for these vulnerabilities. Customers are advised to upgrade to an appropriate fixed software release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in this section.\r\n\r\nDesk Phone 9800 Series\r\n        Cisco SIP Software Release  First Fixed Release for CVE-2025-20350  First Fixed Release for CVE-2025-20351          3  3.3(1)  3.3(1)\r\nIP Phone 7800 and 8800 Series\r\n        Cisco SIP Software Release  First Fixed Release for CVE-2025-20350  First Fixed Release for CVE-2025-20351          Earlier than 14.3  Migrate to a fixed release.  Migrate to a fixed release.      14.3  14.3(1)SR2  Migrate to a fixed release.      14.4  Not vulnerable.  14.4(1)\r\nIP Phone 8821\r\n        Cisco SIP Software Release  First Fixed Release for CVE-2025-20350  First Fixed Release for CVE-2025-20351                Earlier than 11  Migrate to a fixed release.  Migrate to a fixed release.      11  11.0(6)SR7  11.0(6)SR7\r\nVideo Phone 8875\r\n        Cisco SIP Software Release  First Fixed Release for CVE-2025-20350  First Fixed Release for CVE-2025-20351                2.3(1)SR1 and earlier  Migrate to a fixed release.  Migrate to a fixed release.      3  3.3(1)  3.3(1)\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "These vulnerabilities were found during internal security testing by Kent Yoder of the Cisco Advanced Security Initiatives Group (ASIG).",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\n    LEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "CSCwn51601",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51601"
      },
      {
        "category": "external",
        "summary": "CSCwn60480",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60480"
      },
      {
        "category": "external",
        "summary": "CSCwn60481",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60481"
      },
      {
        "category": "external",
        "summary": "CSCwn60482",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60482"
      },
      {
        "category": "external",
        "summary": "CSCwn60484",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60484"
      },
      {
        "category": "external",
        "summary": "CSCwn60491",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60491"
      },
      {
        "category": "external",
        "summary": "CSCwn60492",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60492"
      },
      {
        "category": "external",
        "summary": "CSCwn60493",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60493"
      },
      {
        "category": "external",
        "summary": "CSCwn60494",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn60494"
      },
      {
        "category": "external",
        "summary": "CSCwn51683",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51683"
      },
      {
        "category": "external",
        "summary": "CSCwn58671",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58671"
      },
      {
        "category": "external",
        "summary": "CSCwn58673",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58673"
      },
      {
        "category": "external",
        "summary": "CSCwn58674",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58674"
      },
      {
        "category": "external",
        "summary": "CSCwn58676",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58676"
      },
      {
        "category": "external",
        "summary": "CSCwn58683",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58683"
      },
      {
        "category": "external",
        "summary": "CSCwn58684",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58684"
      },
      {
        "category": "external",
        "summary": "CSCwn58685",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58685"
      },
      {
        "category": "external",
        "summary": "CSCwn58687",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58687"
      },
      {
        "category": "external",
        "summary": "Bulk Administration Guide for Cisco Unified Communications Manager",
        "url": "https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/bat/14SU1/cucm_b_bulk-administration-guide-14SU1/cucm_b_bulk-administration-guide-1251su2_chapter_01.html"
      },
      {
        "category": "external",
        "summary": "fixed software release",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "Cisco Technical Assistance Center (TAC)",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "the advisories",
        "url": "https://www.cisco.com/go/psirt"
      }
    ],
    "title": "Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities",
    "tracking": {
      "current_release_date": "2025-10-15T16:00:00+00:00",
      "generator": {
        "date": "2025-10-15T15:57:41+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-phone-dos-FPyjLV7A",
      "initial_release_date": "2025-10-15T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2025-10-15T15:57:30+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_family",
            "name": "Cisco Session Initiation Protocol (SIP) Software",
            "product": {
              "name": "Cisco Session Initiation Protocol (SIP) Software ",
              "product_id": "CSAFPID-277608"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-20350",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60484"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60491"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60480"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60493"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60481"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60482"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60492"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn60494"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn51601"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-277608"
        ]
      },
      "release_date": "2025-10-15T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-277608"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-277608"
          ]
        }
      ],
      "title": "Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 with SIP Firmware Denial of Service Vulnerability"
    },
    {
      "cve": "CVE-2025-20351",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58676"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58685"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58674"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58673"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58683"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58687"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58684"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn58671"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwn51683"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-277608"
        ]
      },
      "release_date": "2025-10-15T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-277608"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-277608"
          ]
        }
      ],
      "title": "Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability"
    }
  ]
}

fkie_cve-2025-20350

Vulnerability from fkie_nvd

Published

2025-10-15 17:15

Modified

2025-10-16 15:28

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	psirt@cisco.com	https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.\r\n\r\nThis vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\r\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default."
    }
  ],
  "id": "CVE-2025-20350",
  "lastModified": "2025-10-16T15:28:59.610",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "psirt@cisco.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-10-15T17:15:48.880",
  "references": [
    {
      "source": "psirt@cisco.com",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Primary"
    }
  ]
}

ghsa-c6wg-233f-cjj6

Vulnerability from github

Published

2025-10-15 18:31

Modified

2025-10-15 18:31

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

This vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-20350"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-15T17:15:48Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.\n\nThis vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attacker could exploit this vulnerability by sending crafted HTTP input to the device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.",
  "id": "GHSA-c6wg-233f-cjj6",
  "modified": "2025-10-15T18:31:51Z",
  "published": "2025-10-15T18:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20350"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CERTFR-2025-AVI-0884

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Cisco. Elles permettent à un attaquant de provoquer un déni de service à distance et une injection de code indirecte à distance (XSS).

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Cisco	IP Phone	IP Phone 8821 avec une version logicielle de SIP antérieure à 11.0(6)SR7
Cisco	Desk Phone	Desk Phone 9800 Series avec une version logicielle de SIP antérieure à 3.3(1)
Cisco	IP Phone	IP Phone 8800 Series avec une version logicielle de SIP antérieure à 14.4(1)
Cisco	Video Phone	Video Phone 8875 avec une version logicielle de SIP antérieure à 3.3(1)
Cisco	IP Phone	IP Phone 7800 Series avec une version logicielle de SIP antérieure à 14.4(1)

References

Title

Publication Time

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2025-20350 (GCVE-0-2025-20350)

Vulnerability from cvelistv5

cisco-sa-phone-dos-fpyjlv7a

Vulnerability from csaf_cisco

fkie_cve-2025-20350

Vulnerability from fkie_nvd

ghsa-c6wg-233f-cjj6

Vulnerability from github

CERTFR-2025-AVI-0884

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature