CVE-2018-21248

HIGH

Mattermost Server < 5.4.0 - Insufficiently Protected Credentials

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.

References (1)

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

Scores

CVSS v3 7.5
EPSS 0.0025
EPSS Percentile 48.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-522
Status published
Products (1)
mattermost/mattermost_server < 5.4.0
Published Jun 19, 2020
Tracked Since Feb 18, 2026