CVE-2023-4966
Vulnerability from cvelistv5
Published
2023-10-10 13:12
Modified
2024-08-02 07:44
Severity ?
EPSS score ?
Summary
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
References
▼ | URL | Tags | |
---|---|---|---|
secure@citrix.com | http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html | Third Party Advisory, VDB Entry | |
secure@citrix.com | https://support.citrix.com/article/CTX579459 | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html | Third Party Advisory, VDB Entry | |
af854a3a-2127-422b-91ae-364da2661108 | https://support.citrix.com/article/CTX579459 | Vendor Advisory |
Impacted products
Vendor | Product | Version | |||||
---|---|---|---|---|---|---|---|
▼ | Citrix | NetScaler ADC |
Version: 14.1 Version: 13.1 Version: 13.0 Version: 13.1-FIPS Version: 12.1-FIPS Version: 12.1-NDcPP |
||||
|
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2023-10-18
Due date: 2023-11-08
Required action: Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.
Used in ransomware: Known
Notes: https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/, https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4966
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T07:44:53.522Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://support.citrix.com/article/CTX579459" }, { "tags": [ "x_transferred" ], "url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "NetScaler ADC\u202f", "vendor": "Citrix", "versions": [ { "lessThan": "8.50", "status": "affected", "version": "14.1", "versionType": "patch" }, { "lessThan": "49.15", "status": "affected", "version": "13.1", "versionType": "patch" }, { "lessThan": "92.19", "status": "affected", "version": "13.0", "versionType": "patch" }, { "lessThan": "37.164", "status": "affected", "version": "13.1-FIPS", "versionType": "patch" }, { "lessThan": "55.300", "status": "affected", "version": "12.1-FIPS", "versionType": "patch" }, { "lessThan": "55.300", "status": "affected", "version": "12.1-NDcPP", "versionType": "patch" } ] }, { "defaultStatus": "unaffected", "product": "NetScaler Gateway", "vendor": "Citrix", "versions": [ { "lessThan": "8.50", "status": "affected", "version": "14.1", "versionType": "patch" }, { "lessThan": "49.15", "status": "affected", "version": "13.1", "versionType": "patch" }, { "lessThan": "92.19", "status": "affected", "version": "13.0", "versionType": "patch" } ] } ], "datePublic": "2023-10-10T12:33:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cb\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"background-color: transparent;\"\u003eSensitive information disclosure\u0026nbsp;\u003c/span\u003e\u003c/b\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ein NetScaler ADC and NetScaler Gateway when configured as a\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003eGateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003eor\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003eAAA \u202fvirtual\u202fserver.\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003e\u003cbr\u003e\u003c/span\u003e\u003cspan style=\"background-color: var(--wht);\"\u003e\u003cbr\u003e\u003c/span\u003e\u003c/p\u003e\u003c/b\u003e" } ], "value": "Sensitive information disclosure\u00a0in NetScaler ADC and NetScaler Gateway when configured as a\u00a0Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u00a0or\u00a0AAA \u202fvirtual\u202fserver.\u00a0\n\n\n\n" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-10-10T13:12:29.552Z", "orgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "shortName": "Citrix" }, "references": [ { "url": "https://support.citrix.com/article/CTX579459" }, { "url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html" } ], "source": { "discovery": "UNKNOWN" }, "title": "Unauthenticated sensitive information disclosure", "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "assignerShortName": "Citrix", "cveId": "CVE-2023-4966", "datePublished": "2023-10-10T13:12:17.644Z", "dateReserved": "2023-09-14T15:51:21.569Z", "dateUpdated": "2024-08-02T07:44:53.522Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "cisa_known_exploited": { "cveID": "CVE-2023-4966", "cwes": "[\"CWE-119\"]", "dateAdded": "2023-10-18", "dueDate": "2023-11-08", "knownRansomwareCampaignUse": "Known", "notes": "https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/, https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4966", "product": "NetScaler ADC and NetScaler Gateway", "requiredAction": "Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.", "shortDescription": "Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.", "vendorProject": "Citrix", "vulnerabilityName": "Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability" }, "nvd": "{\"cve\":{\"id\":\"CVE-2023-4966\",\"sourceIdentifier\":\"secure@citrix.com\",\"published\":\"2023-10-10T14:15:10.977\",\"lastModified\":\"2024-11-21T08:36:21.617\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Sensitive information disclosure\u00a0in NetScaler ADC and NetScaler Gateway when configured as a\u00a0Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u00a0or\u00a0AAA \u202fvirtual\u202fserver.\u00a0\\n\\n\\n\\n\"},{\"lang\":\"es\",\"value\":\"Divulgaci\u00f3n de informaci\u00f3n confidencial en NetScaler ADC y NetScaler Gateway cuando se configura como Gateway (servidor virtual VPN, ICA Proxy, CVPN, RDP Proxy) o servidor \\\"virtual\\\" AAA.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@citrix.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L\",\"baseScore\":9.4,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":5.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"cisaExploitAdd\":\"2023-10-18\",\"cisaActionDue\":\"2023-11-08\",\"cisaRequiredAction\":\"Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.\",\"cisaVulnerabilityName\":\"Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability\",\"weaknesses\":[{\"source\":\"secure@citrix.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-55.300\",\"matchCriteriaId\":\"492BEB4B-7A4B-47C2-93D1-2B0683AA3A20\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-55.300\",\"matchCriteriaId\":\"81EF12C2-4197-4C0D-BE11-556F05DAD646\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.0-92.19\",\"matchCriteriaId\":\"9EEC53B2-686A-4C6F-98DE-5D6AE804B0A8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-37.164\",\"matchCriteriaId\":\"109301A8-9ADD-4A49-9C45-D21A4DA840E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-49.15\",\"matchCriteriaId\":\"5C1739C5-48C1-46BC-A524-B4CC4C5B6436\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"14.1\",\"versionEndExcluding\":\"14.1-8.50\",\"matchCriteriaId\":\"9148C36D-98B4-4166-8B9A-449EA86BA4B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.0-92.19\",\"matchCriteriaId\":\"5FB1412D-F8D8-4592-A8A9-C1B841B93D5E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-49.15\",\"matchCriteriaId\":\"28A08B32-D145-499F-866E-BEEEDEBB2901\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"14.1\",\"versionEndExcluding\":\"14.1-8.50\",\"matchCriteriaId\":\"4F1610E6-FE48-4339-8E74-765E0517E33D\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html\",\"source\":\"secure@citrix.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://support.citrix.com/article/CTX579459\",\"source\":\"secure@citrix.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://support.citrix.com/article/CTX579459\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
Loading…
Loading…
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.