CVE-2021-40824
Logic error in Matrix SDK for Android
5.9
MEDIUM
CVSS 3.1
EPSS 0.15%
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.
How to fix CVE-2021-40824
To remediate CVE-2021-40824, upgrade the affected package to a fixed version below.
- —upgrade to 1.2.2 or later
Is CVE-2021-40824 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 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 |