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UK Cyber Defence
VulnerabilityDeferred

CVE-2025-31126

This vulnerability is fixed in 25.03.8.

MEDIUM 5.3EPSS 0.20%

Does this matter?

Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.

Description

Element X iOS is a Matrix iOS Client provided by Element. In Element X iOS version between 1.6.13 and 25.03.7, 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 25.03.8.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.20% probability · 10th percentile
CISA KEV
Not listed
Weakness
CWE-200
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.