Mattermost up to 7.8.12/8.1.3/9.0.1/9.1.0 users access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Mattermost up to 7.8.12/8.1.3/9.0.1/9.1.0. This vulnerability affects unknown code of the file /plugins/focalboard/api/v2/users. The manipulation results in access control. This vulnerability is known as CVE-2023-6202. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mattermost up to 7.8.12/8.1.3/9.0.1/9.1.0. Affected is some unknown functionality of the file /plugins/focalboard/api/v2/users. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. CVE summarizes:

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.

The weakness was published 11/27/2023 by Doyensec. The advisory is available at mattermost.com. This vulnerability is traded as CVE-2023-6202 since 11/20/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 7.8.13, 8.1.4, 9.0.2 or 9.1.1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 7.8.13/8.1.4/9.0.2/9.1.1

Timelineinfo

11/20/2023 🔍
11/27/2023 +7 days 🔍
11/27/2023 +0 days 🔍
12/16/2023 +19 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Doyensec
Status: Confirmed

CVE: CVE-2023-6202 (🔍)
GCVE (CVE): GCVE-0-2023-6202
GCVE (VulDB): GCVE-100-246150

Entryinfo

Created: 11/27/2023 10:59
Updated: 12/16/2023 20:30
Changes: 11/27/2023 10:59 (49), 12/16/2023 20:30 (1)
Complete: 🔍
Cache ID: 216::103

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