{"id":"CVE-2012-4434","aliases":["DEBIAN-CVE-2012-4434","EUVD-2012-4368","GHSA-hh46-vfhf-rqg7"],"status":"published","title":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash)...","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03311,"percentile":0.88631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-276"],"published":"2020-01-09T20:30:49Z","modified":"2026-10-23T18:02:53Z","fixes":[{"ecosystem":"Debian:12","package":"fwknop","fixed_in":["2.0.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fwknop","fixed_in":["2.0.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fwknop","fixed_in":["2.0.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fwknop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fwknop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fwknop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}]}],"products":[{"vendor":"cipherdyne","product":"fwknop"},{"vendor":"fwknop","product":"fwknop"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/09/19/2","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","article","evidence"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/20/4","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","article","evidence"]},{"url":"http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4434"},{"url":"https://github.com/advisories/GHSA-hh46-vfhf-rqg7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-4434","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-4434","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2020-01-09T20:30:49Z","modified":"2024-08-06T20:35:09.742Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4368","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2020-01-09T20:30:49Z","modified":"2024-08-06T20:35:09Z","updated_at":"2026-11-03T01:56:07.912368Z"}],"ghsa":[{"id":"GHSA-hh46-vfhf-rqg7","title":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash)...","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2022-04-23T00:40:31Z","modified":"2023-01-27T05:02:09Z","updated_at":"2026-11-02T14:42:01.451226Z"}],"nvd":[{"id":"CVE-2012-4434","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2020-01-09T21:15:11.293Z","modified":"2026-06-16T23:45:00.883Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:02:18.043773Z"}],"osv":[{"id":"CVE-2012-4434","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2020-01-09T21:15:11Z","modified":"2026-04-10T03:44:18.985017Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-4434","description":"fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.","status":"published","published":"2020-01-09T21:15:11.293Z","modified":"2026-10-23T18:02:53.185306374Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:25.218101Z"}]}}