CVE-2021-37866

Public Exploit
Session is not invalidated on server-side when user logged out of Boards

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost Boards
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-37866?
CVE-2021-37866 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37866?
To fix CVE-2021-37866, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37866 being actively exploited in the wild?
It is possible that CVE-2021-37866 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37866?
CVE-2021-37866 affects Mattermost Mattermost Boards.
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