Mattermost up to 8.1.8/9.2.4/9.3.0 Compliance Export access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mattermost up to 8.1.8/9.2.4/9.3.0 and classified as critical. This issue affects some unknown processing of the component Compliance Export. Performing a manipulation results in access control. This vulnerability is reported as CVE-2024-1887. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mattermost up to 8.1.8/9.2.4/9.3.0. It has been classified as critical. This affects an unknown part of the component Compliance Export. 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 integrity. The summary by CVE is:

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export. 

The weakness was disclosed 02/29/2024. The advisory is shared at mattermost.com. This vulnerability is uniquely identified as CVE-2024-1887 since 02/26/2024. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 8.1.9, 9.2.5, 9.3.1 or 9.4.0 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: 4.3
VulDB Meta Temp Score: 4.2

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

NVD Base Score: 4.3
NVD Vector: 🔍

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 8.1.9/9.2.5/9.3.1/9.4.0

Timelineinfo

02/26/2024 🔍
02/29/2024 +3 days 🔍
02/29/2024 +0 days 🔍
05/12/2025 +438 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Confirmed

CVE: CVE-2024-1887 (🔍)
GCVE (CVE): GCVE-0-2024-1887
GCVE (VulDB): GCVE-100-255237

Entryinfo

Created: 02/29/2024 09:50
Updated: 05/12/2025 15:53
Changes: 02/29/2024 09:50 (49), 05/12/2025 15:53 (26)
Complete: 🔍
Cache ID: 216::103

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