CVE-2025-62425 (GCVE-0-2025-62425)

Vulnerability from cvelistv5 – Published: 2025-10-16 18:44 – Updated: 2025-10-16 19:34
VLAI?
Summary
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.
Severity ?
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
CWE
  • CWE-620 - Unverified Password Change
Assigner
References
Impacted products
Vendor Product Version
element-hq matrix-authentication-service Affected: >= 0.20.0, <= 1.4.0
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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