Mattermost up to 9.11.11/10.5.2/10.6.x RestrictSystemAdmin Setting authorization

CVSS Meta Temp Score
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CTI Interest Score
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2.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mattermost up to 9.11.11/10.5.2/10.6.x. This issue affects some unknown processing of the component RestrictSystemAdmin Setting Handler. Performing a manipulation results in authorization. This vulnerability was named CVE-2025-2570. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 9.11.11/10.5.2/10.6.x. It has been classified as problematic. This affects an unknown functionality of the component RestrictSystemAdmin Setting Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality. The summary by CVE is:

Mattermost versions 10.5.x <= 10.5.3, 9.11.x <= 9.11.11 fail to check `RestrictSystemAdmin` setting if user doesn't have access to `ExperimentalSettings` which allows a System Manager to access `ExperimentSettings` when `RestrictSystemAdmin` is true via System Console.

The weakness was presented by 0x7oda7123. The advisory is shared at mattermost.com. This vulnerability is uniquely identified as CVE-2025-2570 since 03/20/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 237101 (Mattermost Server 9.11.x < 9.11.12 / 10.5.x < 10.5.3 Multiple Vulnerabilities (MMSA-2025-00455, MMSA-2025-00456)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.11.12, 10.5.3 or 10.7.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (237101) and EUVD (EUVD-2025-15178). 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: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 2.7
CNA Vector (Mattermost): 🔍

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
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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Nessus ID: 237101
Nessus Name: Mattermost Server 9.11.x < 9.11.12 / 10.5.x < 10.5.3 Multiple Vulnerabilities (MMSA-2025-00455, MMSA-2025-00456)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.11.12/10.5.3/10.7.0

Timelineinfo

03/20/2025 🔍
05/15/2025 +55 days 🔍
05/15/2025 +0 days 🔍
10/07/2025 +145 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: 0x7oda7123
Status: Confirmed

CVE: CVE-2025-2570 (🔍)
GCVE (CVE): GCVE-0-2025-2570
GCVE (VulDB): GCVE-100-309093
EUVD: 🔍

Entryinfo

Created: 05/15/2025 18:04
Updated: 10/07/2025 04:02
Changes: 05/15/2025 18:04 (64), 05/17/2025 18:12 (1), 05/23/2025 06:38 (2), 10/07/2025 04:02 (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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