{"id":"CVE-2010-3901","aliases":["DEBIAN-CVE-2010-3901","EUVD-2010-3879","GHSA-92px-2chv-hqhf"],"status":"published","title":"OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the...","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.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00598,"percentile":0.48894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2010-10-12T21:00:00Z","modified":"2026-10-23T17:47:40Z","fixes":[{"ecosystem":"Debian:12","package":"openconnect","fixed_in":["2.25-0.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openconnect","fixed_in":["2.25-0.1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openconnect","fixed_in":["2.25-0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-0.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-0.1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-0.1"}]}]}],"products":[{"vendor":"infradead","product":"openconnect"}],"references":[{"url":"http://www.infradead.org/openconnect.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2010/08/01/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2010/08/02/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3901"},{"url":"https://github.com/advisories/GHSA-92px-2chv-hqhf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-3901","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-3901","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.","status":"published","published":"2010-10-12T21:00:00Z","modified":"2024-09-16T16:13:52.802Z","updated_at":"2026-11-02T14:33:27.739358Z"}],"euvd":[{"id":"EUVD-2010-3879","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.","status":"published","published":"2010-10-12T21:00:00Z","modified":"2024-09-16T16:13:52Z","updated_at":"2026-11-03T00:55:53.554412Z"}],"ghsa":[{"id":"GHSA-92px-2chv-hqhf","title":"OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the...","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.","status":"published","published":"2022-05-17T05:47:44Z","modified":"2023-01-28T05:04:35Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:12.284845Z"}],"nvd":[{"id":"CVE-2010-3901","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.","status":"published","published":"2010-10-14T05:58:42.893Z","modified":"2026-06-16T23:23:47.28Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:57.065463Z"}],"osv":[{"id":"CVE-2010-3901","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.","status":"published","published":"2010-10-14T05:58:42Z","modified":"2026-04-10T03:41:27.962864Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-3901","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.","status":"published","published":"2010-10-14T05:58:42.893Z","modified":"2026-10-23T17:47:40.131193155Z","updated_at":"2026-11-02T15:45:24.316685Z"}]}}