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Status published
Medium
CVE-2021-37866
Session is not invalidated on server-side when user logged out of Boards
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Hagai Wechsler from WhiteSource
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost Boards
Vulnerable Versions:
unspecified, 0.9.5, 0.8.4, 0.7.5
Timeline
Official Publish:
January 18th, 2022
Last Modified:
December 6th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N