{"cve":"CVE-2004-0004","nvd":{"published":"2004-02-17T05:00:00.000","modified":"2026-06-16T22:04:45.250","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://marc.info/?l=bugtraq&m=107427313700554&w=2","http://www.kb.cert.org/vuls/id/336446","http://www.openca.org/news/CAN-2004-0004.txt","http://www.osvdb.org/3615","http://www.securityfocus.com/bid/9435"],"products":["openca:openca"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-0004","score":0.0209,"percentile":0.81614,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}