VULNERABILITY INTELLIGENCE

CVE-2022-24400

CVSS score7.5 HIGH
EPSS probability0.27%
CISA KEVNot currently listed
Published2023-10-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero.

Weakness classification

  • cert@ncsc.nl: CWE-807
  • nvd@nist.gov: CWE-639

Primary references