{"history":[{"alert":0,"cve":"CVE-2025-5777","id":22937,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.99964, \"percentile\": 0.99976}"},{"alert":0,"cve":"CVE-2025-5777","id":20557,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":18525,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":16590,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":14568,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":12350,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":10336,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":7885,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":0,"cve":"CVE-2025-5777","id":5662,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":1,"cve":"CVE-2025-5777","id":3970,"kind":"cna","observed_at":1793722800,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2025-5777\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-08-04T03:55:50.973198Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2025-07-10\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-10-07T17:58:25.623Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"third-party-advisory\", \"technical-description\", \"signature\"], \"url\": \"https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71\"}, {\"tags\": [\"media-coverage\"], \"url\": \"https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/\"}, {\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777\"}], \"title\": \"CISA ADP Vulnrichment\"}, {\"providerMetadata\": {\"dateUpdated\": \"2025-08-13T18:49:26.791Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"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\"}}], \"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\": \"<span style=\\\"background-color: rgb(255, 255, 255);\\\"><span style=\\\"background-color: rgb(255, 255, 255);\\\">Insufficient input validation leading to memory overread when the</span>&nbsp;</span><span style=\\\"background-color: rgb(255, 255, 255);\\\">NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server</span>\"}], \"value\": \"Insufficient input validation leading to memory overread when the\\u00a0NetScaler 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\": {\"dateUpdated\": \"2025-06-24T00:57:12.458Z\", \"orgId\": \"e437aed5-38e0-4fa3-a98b-cb73e7acaec6\", \"shortName\": \"Citrix\"}, \"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\"}}}, \"cveMetadata\": {\"assignerOrgId\": \"e437aed5-38e0-4fa3-a98b-cb73e7acaec6\", \"assignerShortName\": \"Citrix\", \"cveId\": \"CVE-2025-5777\", \"datePublished\": \"2025-06-17T12:29:34.506Z\", \"dateReserved\": \"2025-06-06T06:14:02.358Z\", \"dateUpdated\": \"2026-10-07T17:58:25.623Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2025-5777","id":3444,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.99972, \"percentile\": 0.99978}"},{"alert":1,"cve":"CVE-2025-5777","id":388,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2025-5777\", \"cwes\": [\"CWE-125\"], \"dateAdded\": \"2025-07-10\", \"dueDate\": \"2025-07-11\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Known\", \"notes\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420 ; https://nvd.nist.gov/vuln/detail/CVE-2025-5777\", \"product\": \"NetScaler ADC and Gateway\", \"requiredAction\": \"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\", \"shortDescription\": \"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.\", \"vendorProject\": \"Citrix\", \"vulnerabilityName\": \"Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability\"}"}],"record":{"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"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-5777","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-04T03:55:50.973198Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2025-07-10","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-10-07T17:58:25.623Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["third-party-advisory","technical-description","signature"],"url":"https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71"},{"tags":["media-coverage"],"url":"https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/"},{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777"}],"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2025-08-13T18:49:26.791Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"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"}}],"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":"<span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">Insufficient input validation leading to memory overread when the</span>&nbsp;</span><span style=\"background-color: rgb(255, 255, 255);\">NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server</span>"}],"value":"Insufficient input validation leading to memory overread when the\u00a0NetScaler 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":{"dateUpdated":"2025-06-24T00:57:12.458Z","orgId":"e437aed5-38e0-4fa3-a98b-cb73e7acaec6","shortName":"Citrix"},"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"}}},"cveMetadata":{"assignerOrgId":"e437aed5-38e0-4fa3-a98b-cb73e7acaec6","assignerShortName":"Citrix","cveId":"CVE-2025-5777","datePublished":"2025-06-17T12:29:34.506Z","dateReserved":"2025-06-06T06:14:02.358Z","dateUpdated":"2026-10-07T17:58:25.623Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794154800,"cve":"CVE-2025-5777","description":"Insufficient input validation leading to memory overread when the\u00a0NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server","epss":{"date":"2026-11-12","epss":0.99964,"percentile":0.99976},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2025-5777","cwes":["CWE-125"],"dateAdded":"2025-07-10","dueDate":"2025-07-11","forensicTriage":"No","knownRansomwareCampaignUse":"Known","notes":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420 ; https://nvd.nist.gov/vuln/detail/CVE-2025-5777","product":"NetScaler ADC and Gateway","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"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.","vendorProject":"Citrix","vulnerabilityName":"Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability"},"kev_checked":1794522003,"products":"NetScaler ADC, NetScaler Gateway","references":["https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420","https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71","https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777","https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/","https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/","https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/","https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/","https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/","https://citrixbleed.com"],"score":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","provider":"Citrix","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"},"solutions":"","state":"PUBLISHED","title":"NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread","updated_at":1794500401,"workarounds":""},"sources":[]}