SCA: security update for matrix-nio (GHSA-w4pr-4vjg-hffh)

medium Tenable Self-Hosted Container Security Plugin ID 419696

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- matrix-nio is a Python Matrix client library, designed according to sans I/O principles. Prior to version
0.20, when a users requests a room key from their devices, the software correctly remember the request.
Once they receive a forwarded room key, they accept it without checking who the room key came from. This
allows homeservers to try to insert room keys of questionable validity, potentially mounting an
impersonation attack. Version 0.20 fixes the issue. (CVE-2022-39254)

See Also

https://github.com/advisories/GHSA-w4pr-4vjg-hffh

Plugin Details

Severity: Medium

ID: 419696

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:N

CVSS Score Source: CVE-2022-39254

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2022

Vulnerability Publication Date: 9/29/2022

Reference Information

CVE: CVE-2022-39254