CVE-2024-42000

LOW

Mattermost 9.5.0-9.5.9, 9.10.0-9.10.2, 9.11.0-9.11.1, 10.0.0 - Incorrect Authorization via /api/v4/channels

Title source: llm
STIX 2.1

Description

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.

References (1)

Core 1
Core References

Scores

CVSS v3 2.7
EPSS 0.0019
EPSS Percentile 40.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
mattermost/mattermost_server 10.0.0 (5 CPE variants)
mattermost/mattermost_server 9.5.0 - 9.5.10
Published Nov 09, 2024
Tracked Since Feb 18, 2026