CVE-2021-37866: Session is not invalidated on server-side when user logged out of Boards
First published: Tue Jan 18 2022(Updated: )
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.
Credit: responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Boards | <=0.10.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-37866?
CVE-2021-37866 is classified as a critical vulnerability due to its potential impact on user session security.
How do I fix CVE-2021-37866?
To fix CVE-2021-37866, upgrade the Mattermost Boards plugin to version 0.10.1 or later.
What does CVE-2021-37866 exploit?
CVE-2021-37866 exploits the failure to invalidate a session on the server-side after a user logs out.
What are the consequences of not addressing CVE-2021-37866?
If CVE-2021-37866 is not addressed, attackers may reuse old session tokens to gain unauthorized access.
Does CVE-2021-37866 affect all versions of Mattermost Boards?
CVE-2021-37866 specifically affects Mattermost Boards plugin version 0.10.0 and earlier.
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