PT-2020-8891 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-24 · CVE-2018-21248

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.4.0

Description The issue concerns the mishandling of possession of superfluous authentication credentials.

Recommendations For versions prior to 5.4.0, update to version 5.4.0 or later to resolve the issue.

Fix

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2018-21248

Affected Products

Mattermost Server

References · 4

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-21248 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21248 · Security Note
• https://t.me/cibsecurity/12902 · Telegram Post