CVE-2019-20881

HIGH

Mattermost Server < 5.8.0 - Improper Restriction of Excessive Authentication Attempts

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.

References (1)

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

Scores

CVSS v3 7.3
EPSS 0.0028
EPSS Percentile 51.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-307
Status published
Products (1)
mattermost/mattermost_server < 5.8.0
Published Jun 19, 2020
Tracked Since Feb 18, 2026