Auth bypass in Matrix-nio_project Matrix-nio
CVE-2022-39254
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…
Vulnerability class: Broken Authentication
EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Matrix-nio_project Matrix-nio
- Poljar Matrix-nio — versions < 0.20
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-39254?
- CVE-2022-39254 is a high-severity vulnerability in Matrix-nio_project Matrix-nio, classified under Improper Authentication. CVSS score: 8.6/10. Published 2022-09-29.
- How severe is CVE-2022-39254?
- High severity. CVSS v3 base score is 8.6 out of 10.