VULNERABILITY INTELLIGENCE

CVE-2022-24403

CVSS score4.3 MEDIUM
EPSS probability0.13%
CISA KEVNot currently listed
Published2023-12-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

  • cert@ncsc.nl: CWE-327
  • nvd@nist.gov: CWE-327

Primary references