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/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Midnightblue | Tetra\ | burst |
References
- https://tetraburst.com/Vendor Advisory
- https://tetraburst.com/Vendor Advisory
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.
Scan your code nowSource: NVD / NIST
