{"id":"CVE-2010-3901","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-3901","generatedAt":"2026-10-27T20:51:51.372Z","title":"OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is…","description":"OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.","published":"2010-10-14T05:58:43.000Z","lastModified":"2026-06-16T23:23:47.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":6.4,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N"},"cwe":["CWE-20"],"affected":["infradead/openconnect"],"epss":{"score":0.00598,"percentile":0.4836,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.infradead.org/openconnect.html","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2010/08/01/1","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2010/08/02/7","source":"cve@mitre.org"},{"url":"http://www.infradead.org/openconnect.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2010/08/01/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2010/08/02/7","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-3901","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."}