CVE-2022-39264CWE-287CWE-295

nheko vulnerable to secret poisoning using MITM on secret requests by the homeserver

High · published September 28, 2022

CVSS v3.1
8.6
EPSS
1%
Percentile
56.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00816 · 56.7th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-295 · Improper Certificate Validation
Published
2022-09-28T00:00Z
EPSS history
Timeline
  • 28 SEP 00:00Z
    nheko vulnerable to secret poisoning using MITM on secret requests by the homeserver
    cvelistv5