VulnerabilityModified
CVE-2021-37866
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.
HIGH 7.5EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-613
- Affected
- mattermost/mattermost boards
- Source
- responsibledisclosure@mattermost.com
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866Exploit, Third Party Advisory
- https://mattermost.com/security-updates/Vendor Advisory
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.