CVE-2022-45195

MEDIUM

SimpleXMQ < 3.4.0 and SimpleX Chat < 4.2 - Use of a Broken Cryptographic Algorithm in X3DH Key Exchange

Title source: llm
STIX 2.1

Description

SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.

References (4)

Core 4

Scores

CVSS v3 5.3
EPSS 0.0058
EPSS Percentile 43.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-327
Status published
Products (2)
simplex/simplex_chat < 4.2
simplex/simplexmq < 3.4.0
Published Nov 12, 2022
Tracked Since Feb 18, 2026