CVE-2025-20240 (GCVE-0-2025-20240)
Vulnerability from cvelistv5
Published
2025-09-24 17:14
Modified
2025-09-26 17:12
CWE
  • CWE-692 - Incomplete Blacklist to Cross-Site Scripting
Summary
A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Version: 16.6.1
Version: 16.6.2
Version: 16.6.3
Version: 16.6.4
Version: 16.6.5
Version: 16.6.4a
Version: 16.6.5a
Version: 16.6.6
Version: 16.6.7
Version: 16.6.8
Version: 16.6.9
Version: 16.6.10
Version: 16.7.1
Version: 16.7.1a
Version: 16.7.1b
Version: 16.7.2
Version: 16.7.3
Version: 16.7.4
Version: 16.8.1
Version: 16.8.1a
Version: 16.8.1b
Version: 16.8.1s
Version: 16.8.1c
Version: 16.8.1d
Version: 16.8.2
Version: 16.8.1e
Version: 16.8.3
Version: 16.9.1
Version: 16.9.2
Version: 16.9.1a
Version: 16.9.1b
Version: 16.9.1s
Version: 16.9.3
Version: 16.9.4
Version: 16.9.3a
Version: 16.9.5
Version: 16.9.5f
Version: 16.9.6
Version: 16.9.7
Version: 16.9.8
Version: 16.10.1
Version: 16.10.1a
Version: 16.10.1b
Version: 16.10.1s
Version: 16.10.1c
Version: 16.10.1e
Version: 16.10.1d
Version: 16.10.2
Version: 16.10.1f
Version: 16.10.1g
Version: 16.10.3
Version: 16.11.1
Version: 16.11.1a
Version: 16.11.1b
Version: 16.11.2
Version: 16.11.1s
Version: 16.12.1
Version: 16.12.1s
Version: 16.12.1a
Version: 16.12.1c
Version: 16.12.1w
Version: 16.12.2
Version: 16.12.1y
Version: 16.12.2a
Version: 16.12.3
Version: 16.12.8
Version: 16.12.2s
Version: 16.12.1x
Version: 16.12.1t
Version: 16.12.4
Version: 16.12.3s
Version: 16.12.3a
Version: 16.12.4a
Version: 16.12.5
Version: 16.12.6
Version: 16.12.1z1
Version: 16.12.5a
Version: 16.12.5b
Version: 16.12.1z2
Version: 16.12.6a
Version: 16.12.7
Version: 16.12.9
Version: 16.12.10
Version: 16.12.10a
Version: 16.12.11
Version: 16.12.12
Version: 16.12.13
Version: 17.1.1
Version: 17.1.1a
Version: 17.1.1s
Version: 17.1.1t
Version: 17.1.3
Version: 17.2.1
Version: 17.2.1r
Version: 17.2.1a
Version: 17.2.1v
Version: 17.2.2
Version: 17.2.3
Version: 17.3.1
Version: 17.3.2
Version: 17.3.3
Version: 17.3.1a
Version: 17.3.1w
Version: 17.3.2a
Version: 17.3.1x
Version: 17.3.1z
Version: 17.3.4
Version: 17.3.5
Version: 17.3.4a
Version: 17.3.6
Version: 17.3.4b
Version: 17.3.4c
Version: 17.3.5a
Version: 17.3.5b
Version: 17.3.7
Version: 17.3.8
Version: 17.3.8a
Version: 17.4.1
Version: 17.4.2
Version: 17.4.1a
Version: 17.4.1b
Version: 17.4.2a
Version: 17.5.1
Version: 17.5.1a
Version: 17.6.1
Version: 17.6.2
Version: 17.6.1w
Version: 17.6.1a
Version: 17.6.1x
Version: 17.6.3
Version: 17.6.1y
Version: 17.6.1z
Version: 17.6.3a
Version: 17.6.4
Version: 17.6.1z1
Version: 17.6.5
Version: 17.6.6
Version: 17.6.6a
Version: 17.6.5a
Version: 17.6.7
Version: 17.6.8
Version: 17.6.8a
Version: 17.7.1
Version: 17.7.1a
Version: 17.7.1b
Version: 17.7.2
Version: 17.10.1
Version: 17.10.1a
Version: 17.10.1b
Version: 17.8.1
Version: 17.8.1a
Version: 17.9.1
Version: 17.9.1w
Version: 17.9.2
Version: 17.9.1a
Version: 17.9.1x
Version: 17.9.1y
Version: 17.9.3
Version: 17.9.2a
Version: 17.9.1x1
Version: 17.9.3a
Version: 17.9.4
Version: 17.9.1y1
Version: 17.9.5
Version: 17.9.4a
Version: 17.9.5a
Version: 17.9.5b
Version: 17.9.6
Version: 17.9.6a
Version: 17.9.7
Version: 17.9.5e
Version: 17.9.5f
Version: 17.9.7a
Version: 17.9.7b
Version: 17.11.1
Version: 17.11.1a
Version: 17.12.1
Version: 17.12.1w
Version: 17.12.1a
Version: 17.12.1x
Version: 17.12.2
Version: 17.12.3
Version: 17.12.2a
Version: 17.12.1y
Version: 17.12.1z
Version: 17.12.4
Version: 17.12.3a
Version: 17.12.1z1
Version: 17.12.1z2
Version: 17.12.4a
Version: 17.12.5
Version: 17.12.4b
Version: 17.12.1z3
Version: 17.12.5a
Version: 17.12.1z4
Version: 17.12.5b
Version: 17.12.5c
Version: 17.13.1
Version: 17.13.1a
Version: 17.14.1
Version: 17.14.1a
Version: 17.15.1
Version: 17.15.1w
Version: 17.15.1a
Version: 17.15.2
Version: 17.15.1b
Version: 17.15.1x
Version: 17.15.3
Version: 17.15.2c
Version: 17.15.2a
Version: 17.15.1y
Version: 17.15.2b
Version: 17.15.3a
Version: 17.15.3b
Version: 17.16.1
Version: 17.16.1a
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Show details on NVD website


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\"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory.\\r\\n\\r\\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-xss-VWyDgjOU\", \"name\": \"cisco-sa-webui-xss-VWyDgjOU\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\\r\\n\\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-692\", \"description\": \"Incomplete Blacklist to Cross-Site Scripting\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-09-26T17:12:35.657Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-20240\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-26T17:12:35.657Z\", \"dateReserved\": \"2024-10-10T19:15:13.238Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-09-24T17:14:34.470Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
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    }
  }
}


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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.
  • 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.


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