// For flags

CVE-2025-31127

Element X Android allows the entity in control of the well-known file to break the confidentiality embedded Element Call

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

Element X Android es un cliente Matrix para Android proporcionado por element.io. En las versiones de Element X para Android entre la 0.4.16 y la 25.03.3, la entidad que controla el archivo conocido element.json puede, bajo ciertas condiciones, acceder a las claves de cifrado de medios utilizadas para una llamada de Element. Esta vulnerabilidad se corrigió en la versión 25.03.4.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-03-26 CVE Reserved
  • 2025-04-03 CVE Published
  • 2025-04-07 CVE Updated
  • 2025-06-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Element-hq
Search vendor "Element-hq"
 Element-x-android
Search vendor "Element-hq" for product "Element-x-android"
 >= 0.4.16 < 25.03.4
Search vendor "Element-hq" for product "Element-x-android" and version " >= 0.4.16 < 25.03.4"
en
Affected