{"schema":"threatline.record/2","record":{"id":"CVE-2025-5777","aliases":[],"summary":"Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability","details":"Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.","categories":["Network & edge"],"product":"NetScaler ADC and Gateway","vendor":"Citrix","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-5777","source_modified_at":"2026-10-07T17:58:25.623Z","fetched_at":"2026-10-23T18:42:43.628194Z","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"},{"source":"CVE 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unavailable.","ransomware_campaign_use":"Known"},"epss":{"probability":0.99972,"percentile":0.99979,"score_date":"2026-10-23"},"published_at":"2025-06-17T12:29:34.506Z","modified_at":"2026-10-07T17:58:25.623Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE 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List","url":"https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71","tags":["third-party-advisory","technical-description","signature"]},{"source":"CVE List","url":"https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/","tags":["media-coverage"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777","tags":["government-resource"]},{"source":"CVE List","url":"https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/"},{"source":"CVE List","url":"https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/"},{"source":"CVE List","url":"https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/"},{"source":"CVE List","url":"https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/"},{"source":"CVE List","url":"https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/"},{"source":"CVE List","url":"https://citrixbleed.com"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2026-08-04T03:55:50.973198Z"},"exploits":[{"source":"Exploit-DB","kind":"Remote exploit","name":"Citrix NetScaler ADC/Gateway 14.1 - Memory Disclosure","url":"https://www.exploit-db.com/exploits/52401","date":"2025-08-11","added":"2025-08-11","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Citrix NetScaler Memory Disclosure - CitrixBleed 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