VULNERABILITY INTELLIGENCE

CVE-2021-37866

CVSS score4.7 MEDIUM

EPSS probability0.72%

CISA KEVNot currently listed

Published2022-01-18

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

Mattermost Boards plugin v0.10.0 and earlier fails to invalidate a session on the server-side when a user logged out of Boards, which allows an attacker to reuse old session token for authorization.

Weakness classification

responsibledisclosure@mattermost.com: CWE-613
nvd@nist.gov: CWE-613

Primary references

responsibledisclosure@mattermost.com — Vendor Advisory
responsibledisclosure@mattermost.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory