CVE-2022-39203 is a high-severity vulnerability affecting matrix-appservice-irc, an open-source Node.js IRC bridge for Matrix. Attackers can exploit a flaw in channel handling to combine an attacker-controlled channel with an existing one, granting themselves unauthorized permissions. This vulnerability has a CVSS score of 8.8 (High) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While a patch is available in version 0.35.0, there is currently no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.35.0CPE matchmatch criteria | cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.