CVE-2025-31127

5.3 mediumEPSS 0.2%

Medium (5.3). EPSS 0.2% chance of exploitation in the next 30 days.

Element X Android is a Matrix Android Client provided by element.io. In Element X Android versions between 0.4.16 and 25.03.3, the entity in control of the element.json well-known file is able, under certain conditions, to get access to the media encryption keys used for an Element Call call. This vulnerability is fixed in 25.03.4.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2025-04-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/element-hq/element-meta/issues/2441
https://github.com/element-hq/element-x-android/security/advisories/GHSA-x2g5-f28j-p7w6

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