CVE-2018-21258

HIGH

Mattermost Server < 5.1.0 - Denial of Service via Invite People Slash Command

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invite_people slash command.

References (1)

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

Scores

CVSS v3 7.5
EPSS 0.0033
EPSS Percentile 56.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-74
Status published
Products (2)
mattermost/mattermost-server 0 - 5.1.0Go
mattermost/mattermost_server < 5.1.0
Published Jun 19, 2020
Tracked Since Feb 18, 2026