CVE-2022-24400

low-risk
Published 2023-10-19

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.

Do I need to act?

-
0.16% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
ADJACENT_NETWORK / HIGH complexity

Affected Products (1)

Tetra\

Affected Vendors

Midnightblue

References (2)

Vendor Advisory https://tetraburst.com/
Vendor Advisory https://tetraburst.com/
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal