{"id":"CVE-2004-0004","aliases":["EUVD-2004-0004","GHSA-7459-9rcq-g3xj"],"status":"published","title":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares...","description":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares the serial of the signer's certificate and the one in the database, which can cause OpenCA to incorrectly accept a signature if the certificate's chain is trusted by OpenCA's chain directory, allowing remote attackers to spoof requests from other users.","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":0.0209,"percentile":0.81735,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-02-17T05:00:00Z","modified":"2026-06-16T22:04:45Z","products":[{"vendor":"openca","product":"openca"}],"references":[{"url":"http://www.securityfocus.com/bid/9435","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/14847","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/3615","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/336446","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.openca.org/news/CAN-2004-0004.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=107427313700554\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0004"},{"url":"https://github.com/advisories/GHSA-7459-9rcq-g3xj"}],"sources":{"cve":[{"id":"CVE-2004-0004","description":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares the serial of the signer's certificate and the one in the database, which can cause OpenCA to incorrectly accept a signature if the certificate's chain is trusted by OpenCA's chain directory, allowing remote attackers to spoof requests from other users.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T00:01:23.541Z","updated_at":"2026-11-02T14:34:54.758165Z"}],"euvd":[{"id":"EUVD-2004-0004","description":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares the serial of the signer's certificate and the one in the database, which can cause OpenCA to incorrectly accept a signature if the certificate's chain is trusted by OpenCA's chain directory, allowing remote attackers to spoof requests from other users.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T00:01:23Z","updated_at":"2026-11-03T01:15:21.468625Z"}],"ghsa":[{"id":"GHSA-7459-9rcq-g3xj","title":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares...","description":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares the serial of the signer's certificate and the one in the database, which can cause OpenCA to incorrectly accept a signature if the certificate's chain is trusted by OpenCA's chain directory, allowing remote attackers to spoof requests from other users.","status":"published","published":"2022-04-29T02:56:59Z","modified":"2023-01-30T05:02:23Z","updated_at":"2026-11-02T14:46:37.595676Z"}],"nvd":[{"id":"CVE-2004-0004","description":"The libCheckSignature function in crypto-utils.lib for OpenCA 0.9.1.6 and earlier only compares the serial of the signer's certificate and the one in the database, which can cause OpenCA to incorrectly accept a signature if the certificate's chain is trusted by OpenCA's chain directory, allowing remote attackers to spoof requests from other users.","status":"published","published":"2004-02-17T05:00:00Z","modified":"2026-06-16T22:04:45.25Z","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":"2026-11-02T14:00:49.729639Z"}]}}