{"id":"CVE-2022-24403","aliases":["EUVD-2022-29295","GHSA-pm5f-h2hr-89qr"],"status":"published","title":"De-anonymization attack in TETRA","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00131,"percentile":0.02694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2023-12-05T13:54:32Z","modified":"2026-06-17T04:31:46Z","products":[{"vendor":"etsi","product":"tetra standard"},{"vendor":"midnightblue","product":"tetra\\"}],"references":[{"url":"https://tetraburst.com/","tags":["related","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24403"},{"url":"https://github.com/advisories/GHSA-pm5f-h2hr-89qr"}],"sources":{"cve":[{"id":"CVE-2022-24403","title":"De-anonymization attack in TETRA","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","status":"published","published":"2023-12-05T13:54:32.045Z","modified":"2024-08-03T04:13:55.262Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:34:34.576287Z"}],"euvd":[{"id":"EUVD-2022-29295","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","status":"published","published":"2023-12-05T13:54:32Z","modified":"2024-08-03T04:13:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N","level":"medium"}],"updated_at":"2026-11-03T03:25:48.993963Z"}],"ghsa":[{"id":"GHSA-pm5f-h2hr-89qr","title":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively...","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","status":"published","published":"2023-12-05T15:30:37Z","modified":"2023-12-05T15:30:37Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:55:09.149913Z"}],"nvd":[{"id":"CVE-2022-24403","description":"The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.","status":"published","published":"2023-12-05T14:15:07.51Z","modified":"2026-06-17T04:31:46.58Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:07:39.811118Z"}]}}