PT-2023-12748 · Tetra · Tetra

Midnight Blue · Published 2023-07-25 · Updated 2025-07-21 · CVE-2022-24400

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TETRA (affected versions not specified)

Description A flaw in the TETRA authentication procedure allows a Man-In-The-Middle (MITM) adversary that can predict the MS challenge RAND2 to set session key DCK to zero. This issue does not specify the number of potentially affected devices or any real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

IDOR

Weakness Enumeration

CWE-639

CWE-807

Related Identifiers

CVE-2022-24400

Affected Products

Tetra

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2022-24400 · Security Note
• https://tetraburst.com · Vendor Advisory
• https://twitter.com/DMFezzaReedCISA/status/1714979314586779677 · Twitter Post
• https://t.me/cvenotify/59725 · Telegram Post
• https://twitter.com/ChristineP76251/status/1947274275716542614 · Twitter Post
• https://t.me/cibsecurity/72556 · Telegram Post
• https://t.me/cvenotify/59702 · Telegram Post
• https://twitter.com/CVEnew/status/1714942804017995986 · Twitter Post
• https://t.me/cibsecurity/72563 · Telegram Post
• https://t.me/true_secator/4656 · Telegram Post
• https://t.me/cvenotify/59711 · Telegram Post