High severity · published Jan 18, 2022
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…
7.5
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
Mattermost Boards · Mattermost
through 0.10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37866
Vendor Advisory
https://mattermost.com/security-updates/
Exploit
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866
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