CVE-2024-4183

MEDIUM

Mattermost 8.1.0-8.1.11, 9.6.0-rc1-9.6.0, 9.5.0-9.5.2, 9.4.0-9.4.4 - DoS via Session Table Flooding

Title source: llm

Description

Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0017

EPSS Percentile 38.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770 CWE-400

Status published

Products (2)

mattermost/mattermost-server 9.6.0-rc1 - 9.6.1Go

mattermost/mattermost_server 8.1.0 - 8.1.12

Published Apr 26, 2024

Tracked Since Feb 18, 2026