HOMEVULNERABILITIESCVE-2022-24403
MEDIUM

CVE-2022-24403

CWE-327Published: December 5, 2023· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.

NVD Source

Technical Analysis

CVE-2022-24403 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

midnightblue1 product(s)
tetra\
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://tetraburst.com/Third Party Advisory
https://tetraburst.com/Third Party Advisory

Quick Facts

CVE IDCVE-2022-24403
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-327
CISA KEVNo
Affected1 vendor(s)
PublishedDec 5, 2023

Related CVEs (CWE-327)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-24403 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.