PT-2020-8907 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-30 · CVE-2018-21264

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 4.7.0 Mattermost Server version 4.6.2 Mattermost Server version 4.5.2

Description An issue was discovered where the expiration date of a SAML response was not enforced.

Recommendations For versions prior to 4.7.0, update to version 4.7.0 or later. For version 4.6.2, update to version 4.7.0 or later. For version 4.5.2, update to version 4.7.0 or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-21264

Affected Products

Mattermost Server

References · 3

• https://osv.dev/vulnerability/CVE-2018-21264 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21264 · Security Note