CVE-2017-18915

CRITICAL

Mattermost Server <3.8.2-3.6.7 - Privilege Escalation

Title source: llm

Description

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates/

Scores

CVSS v3 9.8

EPSS 0.0041

EPSS Percentile 60.8%

Attack Vector NETWORK

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

Classification

CWE

CWE-276

Status published

Affected Products (2)

mattermost/mattermost_server < 3.6.7

mattermost/mattermost-server < 3.6.7-0.20170420152529-0968e4079e0aGo

Timeline

Published Jun 19, 2020

Tracked Since Feb 18, 2026