{"id":"CVE-2023-50454","aliases":["EUVD-2023-55243","GHSA-xxf4-wg2g-58ch"],"status":"published","title":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to...","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00279,"percentile":0.20558,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2023-12-10T00:00:00Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"zammad","product":"zammad"}],"references":[{"url":"https://zammad.com/en/advisories/zaa-2023-04","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50454","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xxf4-wg2g-58ch"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50454.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-50454","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","status":"published","published":"2023-12-10T00:00:00Z","modified":"2024-08-02T22:16:46.864Z","updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55243","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","status":"published","published":"2023-12-10T00:00:00Z","modified":"2024-08-02T22:16:46Z","updated_at":"2026-11-03T03:49:55.131895Z"}],"ghsa":[{"id":"GHSA-xxf4-wg2g-58ch","title":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to...","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","status":"published","published":"2023-12-10T21:30:27Z","modified":"2023-12-22T05:05:17Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:55:16.323735Z"}],"nvd":[{"id":"CVE-2023-50454","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","status":"published","published":"2023-12-10T19:15:07.53Z","modified":"2026-06-17T06:39:39.807Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:08:54.010507Z"}],"osv":[{"id":"CVE-2023-50454","description":"An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.","status":"published","published":"2023-12-10T00:00:00Z","modified":"2026-10-28T02:30:37.767192474Z","updated_at":"2026-11-02T15:44:35.245372Z"}]}}