{"id":"CVE-2023-49262","aliases":["EUVD-2023-53264","GHSA-8p4h-69c2-3352"],"status":"published","title":"Buffer overflow vulnerability in Cookie authentication field","description":"The authentication mechanism can be bypassed by overflowing the value of the Cookie \"authentication\" field, provided there is an active user session.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00666,"percentile":0.52084,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190","CWE-287"],"published":"2024-01-12T14:25:36Z","modified":"2026-06-17T06:35:43Z","products":[{"vendor":"hongdian","product":"h8951-4g-esp"},{"vendor":"hongdian","product":"h8951-4g-esp_firmware"}],"references":[{"url":"https://cert.pl/en/posts/2024/01/CVE-2023-49253/","tags":["third-party-advisory","x_transferred","Third Party Advisory"]},{"url":"https://cert.pl/posts/2024/01/CVE-2023-49253/","tags":["third-party-advisory","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49262"},{"url":"https://cert.pl/en/posts/2024/01/CVE-2023-49253"},{"url":"https://cert.pl/posts/2024/01/CVE-2023-49253"},{"url":"https://github.com/advisories/GHSA-8p4h-69c2-3352"}],"sources":{"cve":[{"id":"CVE-2023-49262","title":"Buffer overflow vulnerability in Cookie authentication field","description":"The authentication mechanism can be bypassed by overflowing the value of the Cookie \"authentication\" field, provided there is an active user session.","status":"published","published":"2024-01-12T14:25:36.654Z","modified":"2025-06-03T14:04:54.692Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:12.998024Z"}],"euvd":[{"id":"EUVD-2023-53264","description":"The authentication mechanism can be bypassed by overflowing the value of the Cookie \"authentication\" field, provided there is an active user session.","status":"published","published":"2024-01-12T14:25:36Z","modified":"2025-06-03T14:04:54Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:32.089886Z"}],"ghsa":[{"id":"GHSA-8p4h-69c2-3352","title":"The authentication mechanism can be bypassed by overflowing the value of the Cookie ...","description":"The authentication mechanism can be bypassed by overflowing the value of the Cookie \"authentication\" field, provided there is an active user session.","status":"published","published":"2024-01-12T15:30:32Z","modified":"2024-10-10T18:32:16Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-190","CWE-287"],"updated_at":"2026-11-02T14:58:28.497096Z"}],"nvd":[{"id":"CVE-2023-49262","description":"The authentication mechanism can be bypassed by overflowing the value of the Cookie \"authentication\" field, provided there is an active user session.","status":"published","published":"2024-01-12T15:15:09.593Z","modified":"2026-06-17T06:35:43.567Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-190","CWE-287"],"updated_at":"2026-11-02T14:09:00.788714Z"}]}}