CVE-2021-37866 is a vulnerability in Mattermost Boards
Published on January 18, 2022
Session is not invalidated on server-side when user logged out of Boards
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.
Vulnerability Analysis
CVE-2021-37866 is exploitable with local system access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."
Products Associated with CVE-2021-37866
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Affected Versions
Mattermost Boards:- Version unspecified, <= 0.10.0 is affected.
- Version 0.9.5 and below unspecified is unaffected.
- Version 0.8.4 and below unspecified is unaffected.
- Version 0.7.5 and below unspecified is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.