CVE-2021-40824

MEDIUM5.9EPSS 0.15%

Logic error in Matrix SDK for Android

Published: 5/24/2022Modified: 2/16/2024

Description

A logic error in the room key sharing functionality of Element Android before 1.2.2 and matrix-android-sdk2 (aka Matrix SDK for Android) before 1.2.2 leads to a situation where identity verification is inadequate and thus a key-requesting device can be impersonated.

Affected packages (1)

Maven/org.matrix.android:matrix-android-sdk2from 0, < 1.2.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References (3)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-40824
WEBhttps://github.com/matrix-org/matrix-android-sdk2/releases/tag/v1.2.2
WEBhttps://matrix.org/blog/2021/09/13/vulnerability-disclosure-key-sharing