{"id":"CVE-2004-2163","aliases":["EUVD-2004-2155","GHSA-vpvq-r8h3-q5hv"],"status":"published","title":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret...","description":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01699,"percentile":0.77341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:08Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"http://archives.neohapsis.com/archives/vulnwatch/2004-q3/0058.html","tags":["mailing-list","x_refsource_VULNWATCH","x_transferred","Vendor Advisory"]},{"url":"http://www.openbsd.org/errata35.html#radius","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/11227","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.reseau.nl/advisories/0400-openbsd-radius.txt","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17456","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/10203","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/12617","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2163"},{"url":"https://github.com/advisories/GHSA-vpvq-r8h3-q5hv"}],"sources":{"cve":[{"id":"CVE-2004-2163","description":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.","status":"published","published":"2005-07-10T04:00:00Z","modified":"2024-08-08T01:15:01.629Z","updated_at":"2026-11-02T14:34:53.70484Z"}],"euvd":[{"id":"EUVD-2004-2155","description":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.","status":"published","published":"2005-07-10T04:00:00Z","modified":"2024-08-08T01:15:01Z","updated_at":"2026-11-03T01:15:11.292024Z"}],"ghsa":[{"id":"GHSA-vpvq-r8h3-q5hv","title":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret...","description":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.","status":"published","published":"2022-04-29T03:00:55Z","modified":"2023-01-30T05:04:02Z","updated_at":"2026-11-02T14:46:57.494982Z"}],"nvd":[{"id":"CVE-2004-2163","description":"login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:08.98Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:52.459805Z"}]}}