CVE-2023-5194

LOW

Mattermost 7.0.0-7.8.9 and 8.1.0 - Incorrect Authorization in User Demotion

Title source: llm

Description

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 2.7

EPSS 0.0003

EPSS Percentile 9.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (3)

mattermost/mattermost 7.0.0 - 7.8.10

mattermost/mattermost 8.1.0 - 8.1.1Go

mattermost/mattermost-server 0 - 7.8.10Go

Published Sep 29, 2023

Tracked Since Feb 18, 2026