What is CVE-2023-29529?

CVE-2023-29529 is a medium-severity vulnerability in Matrix-org Matrix-js-sdk, classified under Missing Authorization. CVSS score: 5.0/10. Published 2023-04-14.

How severe is CVE-2023-29529?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Auth bypass in Matrix-org Matrix-js-sdk

CVE-2023-29529

matrix-js-sdk is the Matrix Client-Server SDK for JavaScript and TypeScript. An attacker present in a room where an MSC3401 group call is taking place can eavesdrop on the video and audio of participants using matrix-js-sdk, without their…

Vulnerability class: Broken Access Control

EPSS: 0.002 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Matrix-org Matrix-js-sdk — versions < 24.1.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q (x_refsource_CONFIRM)
https://github.com/matrix-org/matrix-spec-proposals/pull/3401 (x_refsource_MISC)
https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-29529?: CVE-2023-29529 is a medium-severity vulnerability in Matrix-org Matrix-js-sdk, classified under Missing Authorization. CVSS score: 5.0/10. Published 2023-04-14.
How severe is CVE-2023-29529?: Medium severity. CVSS v3 base score is 5.0 out of 10.