PT-2020-10842 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2021-07-21 · CVE-2019-20879

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.8.0 Mattermost Server versions prior to 5.7.2 Mattermost Server versions prior to 5.6.5 Mattermost Server versions prior to 4.10.7

Description An issue was discovered where changes to e-mail addresses do not require credential re-entry.

Recommendations For versions prior to 5.8.0, update to version 5.8.0 or later. For versions prior to 5.7.2, update to version 5.7.2 or later. For versions prior to 5.6.5, update to version 5.6.5 or later. For versions prior to 4.10.7, update to version 4.10.7 or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2019-20879

Affected Products

Mattermost Server

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2019-20879 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20879 · Vendor Advisory