{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-5777", "assignerOrgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "state": "PUBLISHED", "assignerShortName": "Citrix", "dateReserved": "2025-06-06T06:14:02.358Z", "datePublished": "2025-06-17T12:29:34.506Z", "dateUpdated": "2026-08-04T03:55:49.987Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "ADC", "vendor": "NetScaler", "versions": [ { "lessThan": "43.56", "status": "affected", "version": "14.1", "versionType": "patch" }, { "lessThan": "58.32", "status": "affected", "version": "13.1", "versionType": "patch" } ] }, { "defaultStatus": "unaffected", "product": "Gateway", "vendor": "NetScaler", "versions": [ { "lessThan": "43.56", "status": "affected", "version": "14.1", "versionType": "patch" }, { "lessThan": "58.32", "status": "affected", "version": "13.1", "versionType": "patch" } ] } ], "datePublic": "2025-06-17T12:25:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server" } ], "value": "Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server" } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6", "shortName": "Citrix", "dateUpdated": "2025-06-24T00:57:12.458Z" }, "references": [ { "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420" } ], "source": { "discovery": "UNKNOWN" }, "title": "NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread", "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-06-17T00:00:00+00:00", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2025-5777" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2025-07-10", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777" } } } ], "references": [ { "url": "https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71", "tags": [ "third-party-advisory", "technical-description", "signature" ] }, { "url": "https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/", "tags": [ "media-coverage" ] }, { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777", "tags": [ "government-resource" ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-457", "description": "CWE-457 Use of Uninitialized Variable" } ] } ], "timeline": [ { "time": "2025-07-10T00:00:00.000Z", "lang": "en", "value": "CVE-2025-5777 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-04T03:55:49.987Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-08-13T18:49:26.791Z" }, "references": [ { "url": "https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/" }, { "url": "https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/" }, { "url": "https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/" }, { "url": "https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/" }, { "url": "https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/" }, { "url": "https://citrixbleed.com" } ], "title": "CVE Program Container", "x_generator": { "engine": "ADPogram 0.0.1" } } ] } }