{"id":"CVE-2024-39223","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-39223","generatedAt":"2026-10-28T05:59:57.505Z","title":"An authentication bypass in the SSH service of gost v2.11.5 allows attackers to intercept communications via setting the HostKeyCallback function to ssh.InsecureIgnoreHostKey","description":"An authentication bypass in the SSH service of gost v2.11.5 allows attackers to intercept communications via setting the HostKeyCallback function to ssh.InsecureIgnoreHostKey","published":"2024-07-03T15:15:06.000Z","lastModified":"2026-06-17T07:41:33.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00696,"percentile":0.52828,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a","source":"cve@mitre.org"},{"url":"https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229","source":"cve@mitre.org"},{"url":"https://github.com/ginuerzh/gost/issues/1034","source":"cve@mitre.org"},{"url":"https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ginuerzh/gost/issues/1034","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-39223","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}