{"id":"CVE-2023-26084","aliases":["EUVD-2023-29958"],"status":"published","description":"The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00362,"percentile":0.3047,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-665"],"published":"2023-03-15T00:00:00Z","modified":"2026-06-17T05:42:38Z","products":[{"vendor":"arm","product":"aarch64cryptolib"}],"references":[{"url":"https://github.com/ARM-software/AArch64cryptolib/security/advisories/GHSA-47c6-7x5x-r74g","tags":["x_transferred","Patch","Vendor Advisory"]}],"sources":{"cve":[{"id":"CVE-2023-26084","description":"The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.","status":"published","published":"2023-03-15T00:00:00Z","modified":"2025-02-27T21:08:42.908Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:35:15.434947Z"}],"euvd":[{"id":"EUVD-2023-29958","description":"The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.","status":"published","published":"2023-03-15T00:00:00Z","modified":"2025-02-27T21:08:42Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T20:53:20.548403Z"}],"nvd":[{"id":"CVE-2023-26084","description":"The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.","status":"published","published":"2023-03-15T14:15:11.89Z","modified":"2026-06-17T05:42:38.663Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:07:49.031498Z"}]}}