element-hq matrix-authentication-service up to 1.4.0 unverified password change

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in element-hq matrix-authentication-service up to 1.4.0. This issue affects some unknown processing. The manipulation leads to unverified password change. This vulnerability is documented as CVE-2025-62425. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in element-hq matrix-authentication-service up to 1.4.0. This issue affects an unknown code. The manipulation with an unknown input leads to a unverified password change vulnerability. Using CWE to declare the problem leads to CWE-620. When setting a new password for a user, the product does not require knowledge of the original password, or using another form of authentication. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-62425 since 10/13/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

Applying the patch bce99edb6177be11f8f38c1d01f5606ce7b4b2e5 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unverified password change
CWE: CWE-620 / CWE-640
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: bce99edb6177be11f8f38c1d01f5606ce7b4b2e5

Timelineinfo

10/13/2025 CVE reserved
10/16/2025 +3 days Advisory disclosed
10/16/2025 +0 days VulDB entry created
10/16/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-6wfp-jq3r-j9xh
Status: Confirmed

CVE: CVE-2025-62425 (🔒)
GCVE (CVE): GCVE-0-2025-62425
GCVE (VulDB): GCVE-100-328871

Entryinfo

Created: 10/16/2025 21:59
Changes: 10/16/2025 21:59 (64)
Complete: 🔍
Cache ID: 216::103

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