{"id":"CVE-2023-50453","aliases":["EUVD-2023-55242","GHSA-cfgq-jw59-g278"],"status":"published","title":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for...","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00495,"percentile":0.42965,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-12-10T00:00:00Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"zammad","product":"zammad"}],"references":[{"url":"https://zammad.com/en/advisories/zaa-2023-08","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50453","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cfgq-jw59-g278"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50453.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-50453","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","status":"published","published":"2023-12-10T00:00:00Z","modified":"2024-08-02T22:16:46.737Z","updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55242","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","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-cfgq-jw59-g278","title":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for...","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","status":"published","published":"2023-12-10T21:30:27Z","modified":"2023-12-22T05:05:34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:55:16.323735Z"}],"nvd":[{"id":"CVE-2023-50453","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","status":"published","published":"2023-12-10T19:15:07.48Z","modified":"2026-06-17T06:39:39.667Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:08:54.010507Z"}],"osv":[{"id":"CVE-2023-50453","description":"An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.","status":"published","published":"2023-12-10T00:00:00Z","modified":"2026-10-28T02:30:29.348255011Z","updated_at":"2026-11-02T15:44:35.245372Z"}]}}