CVE-2022-39254 is a medium-severity vulnerability affecting matrix-nio, a Python Matrix client library prior to version 0.20. It allows a malicious homeserver to insert potentially invalid room keys, leading to an impersonation attack. The vulnerability has a CVSS score of 6.5, indicating a network-based attack with low complexity and high impact on integrity, requiring no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.20CPE matchmatch criteria | cpe:2.3:a:matrix-nio_project:matrix-nio:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.