Vulnerability · Published Jan 18, 2022 · Assigned by Mattermost
CVE-2021-37866Session is not invalidated on server-side when user logged out of Boards
Medium 4.7
In plain English
A medium-severity security flaw in Mattermost Boards from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.7%top 45.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Boards | unspecified – through 0.10.0 |
Weakness: CWE-613 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
References
- https://mattermost.com/security-updates/ x_refsource_MISC
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866 x_refsource_MISC