CVE-2022-39264

HIGH

nheko < 0.10.2 - Improper Certificate Validation

Title source: llm
STIX 2.1

Description

nheko is a desktop client for the Matrix communication application. All versions below 0.10.2 are vulnerable homeservers inserting malicious secrets, which could lead to man-in-the-middle attacks. Users can upgrade to version 0.10.2 to protect against this issue. As a workaround, one may apply the patch manually, avoid doing verifications of one's own devices, and/or avoid pressing the request button in the settings menu.

Scores

CVSS v3 8.6
EPSS 0.0038
EPSS Percentile 59.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-295 CWE-287
Status published
Products (3)
fedoraproject/fedora 36
fedoraproject/fedora 37
nheko-reborn/nheko < 0.10.2
Published Sep 28, 2022
Tracked Since Feb 18, 2026