What’s Vulnerable › Vulnerabilities
CVE-2022-24402: Intentionally weakened effective strength in TETRA TEA1
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-10-19 · updated 2026-06-17
- Weakness: CWE-334
Description
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 search attacks.
Affected products
- Midnightblue Tetra:Burst: all versions
References
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