CVE-2022-24400

MEDIUMCVSS 5.9/10EPSS 0.27%

Last modified

CVE-2022-24400 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

EPSS Probability
0.27%

18.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MidnightblueTetra\burst

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-24400?
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.
How severe is CVE-2022-24400?
CVE-2022-24400 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2022-24400?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24400?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST