{"id":"CVE-2023-4934","aliases":["EUVD-2023-54770","GHSA-4cxm-9rxq-69rw"],"status":"published","title":"IDOR in Usta AYBS","description":"Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass.\n\nThis issue affects AYBS: before 1.0.3.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01194,"percentile":0.68443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2023-09-27T07:35:04Z","modified":"2026-06-17T06:38:56Z","products":[{"vendor":"usta","product":"aybs"}],"references":[{"url":"https://www.usom.gov.tr/bildirim/tr-23-0558","tags":["government-resource","broken-link","x_transferred","Third Party Advisory"]},{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0558","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4934"},{"url":"https://github.com/advisories/GHSA-4cxm-9rxq-69rw"}],"sources":{"cve":[{"id":"CVE-2023-4934","title":"IDOR in Usta AYBS","description":"Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass.\n\nThis issue affects AYBS: before 1.0.3.","status":"published","published":"2023-09-27T07:35:04.743Z","modified":"2026-05-21T07:55:14.118Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54770","description":"Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass.\n\nThis issue affects AYBS: before 1.0.3.","status":"published","published":"2023-09-27T07:35:04Z","modified":"2026-05-21T07:55:14Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:13.845677Z"}],"ghsa":[{"id":"GHSA-4cxm-9rxq-69rw","title":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')...","description":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Usta\" AYBS allows SQL Injection.This issue affects AYBS: before 1.0.3.","status":"published","published":"2023-09-27T15:30:39Z","modified":"2026-05-21T09:33:07Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:15.106873Z"}],"nvd":[{"id":"CVE-2023-4934","description":"Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass.\n\nThis issue affects AYBS: before 1.0.3.","status":"published","published":"2023-09-27T15:19:41.477Z","modified":"2026-06-17T06:38:56.133Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}