Mattermost up to 9.11.9/10.4.3/10.5.1 Bot incorrect implementation of authentication algorithm

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mattermost up to 9.11.9/10.4.3/10.5.1. This affects an unknown function of the component Bot Handler. Performing a manipulation results in incorrect implementation of authentication algorithm. This vulnerability was named CVE-2025-2475. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mattermost up to 9.11.9/10.4.3/10.5.1. This affects some unknown processing of the component Bot Handler. The manipulation with an unknown input leads to a incorrect implementation of authentication algorithm vulnerability. CWE is classifying the issue as CWE-303. The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.

The weakness was presented by eAhmed. The advisory is shared at mattermost.com. This vulnerability is uniquely identified as CVE-2025-2475 since 03/17/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 9.11.10, 10.4.4, 10.5.2 or 10.6.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

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

CNA Base Score: 5.4
CNA Vector (Mattermost): 🔍

CVSSv2info

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

Exploitinginfo

Class: Incorrect implementation of authentication algorithm
CWE: CWE-303
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.11.10/10.4.4/10.5.2/10.6.0

Timelineinfo

03/17/2025 🔍
04/14/2025 +27 days 🔍
04/14/2025 +0 days 🔍
10/02/2025 +171 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: eAhmed
Status: Confirmed

CVE: CVE-2025-2475 (🔍)
GCVE (CVE): GCVE-0-2025-2475
GCVE (VulDB): GCVE-100-304653

Entryinfo

Created: 04/14/2025 17:07
Updated: 10/02/2025 17:01
Changes: 04/14/2025 17:07 (64), 10/02/2025 17:01 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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