CVE-2022-24400

HIGH

midnightblue tetra - Authorization Bypass via Predictable MS Challenge RAND2

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory related
https://tetraburst.com/

Scores

CVSS v3 7.5
EPSS 0.0027
EPSS Percentile 18.4%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-639 CWE-807
Status published
Products (1)
midnightblue/tetra\ burst
Published Oct 19, 2023
Tracked Since Feb 18, 2026