{"id":"CVE-2003-0565","aliases":["EUVD-2003-0559","GHSA-h6m9-87mj-jxr6"],"status":"published","title":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote...","description":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03271,"percentile":0.88488,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-11-06T05:00:00Z","modified":"2026-06-16T22:02:26Z","references":[{"url":"http://www.kb.cert.org/vuls/id/927278","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.uniras.gov.uk/vuls/2003/006489/x400.htm","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0565"},{"url":"https://github.com/advisories/GHSA-h6m9-87mj-jxr6"}],"sources":{"cve":[{"id":"CVE-2003-0565","description":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.","status":"published","published":"2003-11-06T05:00:00Z","modified":"2024-08-08T01:58:11.038Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0559","description":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.","status":"published","published":"2003-11-06T05:00:00Z","modified":"2024-08-08T01:58:11Z","updated_at":"2026-11-03T01:15:06.866577Z"}],"ghsa":[{"id":"GHSA-h6m9-87mj-jxr6","title":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote...","description":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.","status":"published","published":"2022-04-29T01:26:38Z","modified":"2023-01-30T05:01:25Z","updated_at":"2026-11-02T14:46:24.524248Z"}],"nvd":[{"id":"CVE-2003-0565","description":"Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.","status":"published","published":"2003-12-01T05:00:00Z","modified":"2026-06-16T22:02:26.74Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}]}}