CVE-2017-18878

MEDIUM

Mattermost Server <4.3.0-4.1.2 - Privilege Escalation

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/

Scores

CVSS v3 4.3
EPSS 0.0024
EPSS Percentile 46.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-732
Status published
Products (3)
mattermost/mattermost-server 0 - 4.1.2-0.20171004201910-6be8113eb60cGo
mattermost/mattermost_server 4.3.0 rc1 (4 CPE variants)
mattermost/mattermost_server < 4.1.2
Published Jun 19, 2020
Tracked Since Feb 18, 2026