What is CVE-2022-24402?

CVE-2022-24402 is a high-severity vulnerability in Etsi Tetra Standard, classified under CWE-334. CVSS score: 8.8/10. Published 2023-10-19.

How severe is CVE-2022-24402?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Etsi Tetra Standard

CVE-2022-24402

The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive sear…

EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Etsi Tetra Standard — versions TEA1
Midnightblue Tetra\ — versions burst

Weakness classification (CWE)

CWE-334
CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

cert@ncsc.nl (related, Vendor Advisory)

Frequently asked questions

What is CVE-2022-24402?: CVE-2022-24402 is a high-severity vulnerability in Etsi Tetra Standard, classified under CWE-334. CVSS score: 8.8/10. Published 2023-10-19.
How severe is CVE-2022-24402?: High severity. CVSS v3 base score is 8.8 out of 10.