CVE-2022-24402 describes a critical weakness in the TETRA TEA1 keystream generator, specifically its key register initialization function, which reduces an 80-bit key to a mere 32 bits, making it vulnerable to exhaustive search attacks. This vulnerability, affecting midnightblue tetra products, carries a high CVSS score of 7.5, indicating a network-based attack with low complexity and a high impact on integrity. Despite its severity, there is currently no public exploit code available in Metasploit, Nuclei, or ExploitDB, and it is not listed on CISA's KEV catalog, suggesting limited active exploitation. However, the vulnerability has garnered some community discussion and media coverage, highlighting its potential implications for military communications and industrial systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:midnightblue:tetra\:burst:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.