Insufficiently protected credentials in Mattermost Server - CVE-2019-20881
Published: June 19, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34222
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-20881
CWE-ID: CWE-522
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.
Affected software
Mattermost Server
How to mitigate CVE-2019-20881
Install update from vendor's website.
Mattermost Server - update to 5.8.0