PT-2020-8904 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-30 · CVE-2018-21261

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 4.8.1 Mattermost Server version 4.7.4 Mattermost Server version 4.6.3

Description An issue was discovered where an e-mail invite accidentally included the team invite id, leading to unintended excessive invitation privileges.

Recommendations For versions prior to 4.8.1, update to version 4.8.1 or later. For version 4.7.4, update to version 4.8.1 or later. For version 4.6.3, update to version 4.8.1 or later.

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2018-21261

Affected Products

Mattermost Server

References · 4

• https://osv.dev/vulnerability/CVE-2018-21261 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21261 · Security Note
• https://t.me/cibsecurity/12891 · Telegram Post