PT-2020-10845 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2021-07-21 · CVE-2019-20881

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.8.0

Description The issue concerns the mishandling of brute-force attacks against Multi-Factor Authentication (MFA) in the affected software.

Recommendations For versions prior to 5.8.0, update to version 5.8.0 or later to resolve the issue.

Fix

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

CVE-2019-20881

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20881 · Security Note
• https://osv.dev/vulnerability/CVE-2019-20881 · Vendor Advisory