{"id":"CVE-2025-5777","aliases":[],"url":"https://o3.security/vulnerability/CVE-2025-5777","summary":"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","details":"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","published":"2025-06-17T13:15:21.523","modified":"2026-10-08T10:35:53.547","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.99953,"percentile":0.99974,"asOf":"2026-09-11"},"cisaKev":null,"exploitsKnown":10,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420"},{"type":"ADVISORY","url":"https://citrixbleed.com"},{"type":"ADVISORY","url":"https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/"},{"type":"ADVISORY","url":"https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/"},{"type":"ADVISORY","url":"https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/"},{"type":"ADVISORY","url":"https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/"},{"type":"WEB","url":"https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/"},{"type":"ADVISORY","url":"https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71"},{"type":"ADVISORY","url":"https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-08T10:35:53.547"}}