Auth bypass in Matrix Javascript_sdk
CVE-2022-39249
Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be mar…
Vulnerability class: Broken Authentication
EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Matrix Javascript_sdk
- Matrix-org Matrix-js-sdk — versions < 19.7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, Release Notes)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Vendor Advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39249?
- CVE-2022-39249 is a high-severity vulnerability in Matrix Javascript_sdk, classified under Improper Authentication. CVSS score: 7.5/10. Published 2022-09-28.
- How severe is CVE-2022-39249?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-39249 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.