CVE-2021-37867

MEDIUM 4.3CVE-2021-37867 · Published 18/01/2022 · updated 17/06/2026

In short

CVE-2021-37867 is a MEDIUM (CVSS 4.3) vulnerability affecting mattermost boards (mattermost).
Chance of exploitation in the next 30 days (EPSS): 0.67%, higher than 52.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mattermost boards mattermost	`≤ 0.10.0`	No fix yet

Description

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure.

References

mattermost.com/security-updates · Vendor Advisory

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