Vulnerability in Matrix Irc Bridge
CVE-2022-29166
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Matrix Irc Bridge
- Matrix-Org Matrix-Appservice-Irc — versions < 0.34.0
Weakness classification (CWE)
References
- github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-37hr-348p-… (Third Party Advisory)
- matrix.org/blog/2022/05/04/0-34-0-security-release-for-matrix-appservice-irc-hi… (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-29166?
- CVE-2022-29166 is a high-severity vulnerability in Matrix Irc Bridge, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.0/10. Published 2022-05-05.
- How severe is CVE-2022-29166?
- High severity. CVSS v3 base score is 8.0 out of 10.