CVE 8.3 HIGH

Matrix Authentication Service account password can be changed using an authenticated session without supplying the current password_CVE-2025-62425

8.3 / 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Description

MAS (Matrix Authentication Service) is a user management and authentication service for Matrix homeservers, written and maintained by Element. A logic flaw in matrix-authentication-service 0.20.0 through 1.4.0 allows an attacker with access to an authenticated MAS session to perform sensitive operations without entering the current password. These include changing the current password, adding or removing an e-mail address and deactivating the account. The vulnerability only affects instances which have the local password database feature enabled (passwords section in the config). Patched in matrix-authentication-service 1.4.1.

Basic Information

ID CVE-2025-62425
Source GitHub_M
Published Oct 16, 2025 at 18:44
Modified Oct 16, 2025 at 19:34

Affected Product

Vendor element-hq
Product matrix-authentication-service
Version >= 0.20.0, <= 1.4.0
Affected Versions element-hq matrix-authentication-service >= 0.20.0, <= 1.4.0

CWE Classification

References

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