CVE-2022-24400
DCK pinning attack in TETRA
MEDIUM
5.9
CVSS Score
Published: October 19, 2023 at 09:33 AM UTC
Updated: June 17, 2026 at 04:31 AM UTC
2 products affected across 2 vendorsTetraTetra
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-807CWE-639
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