Description
matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC commands by having them reply to a maliciously crafted message. The vulnerability has been patched in matrix-appservice-irc 0.33.2. Refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms. There are no known workarounds for this issue.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_confirm
https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-37hr-348p-rmf4
Release Notes, Vendor Advisory x_refsource_misc
https://matrix.org/blog/2022/05/04/0-34-0-security-release-for-matrix-appservice-irc-high-severity
Scores
CVSS v3
8.0
EPSS
0.0051
EPSS Percentile
66.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-74
Status
published
Products (2)
matrix/matrix_irc_bridge
< 0.33.2
npm/matrix-appservice-irc
0 - 0.33.2npm
Published
May 05, 2022
Tracked Since
Feb 18, 2026