Vulnerability · Published Oct 19, 2023 · Assigned by NCSC-NL
CVE-2022-24400DCK pinning attack in TETRA
High 7.5
In plain English
A high-severity security flaw in TETRA Standard from ETSI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 80.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ETSI | TETRA Standard | all |
Weakness: CWE-807 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R/CR:H/IR:H/AR:H/MAV:A/MAC:H/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H
References
- TETRA:BURST related