CVE-2023-49804
CVSS 3.1 Score 7.8 of 10 (high)
Details
Summary
CVE-2023-49804 is a vulnerability affecting Uptime Kuma, a self-hosted monitoring tool. Before version 1.23.9, when a user changes their password, previously logged-in users retain access without being logged out. This inconsistency in authentication persists even after system or browser restarts, posing a significant risk to user accounts. Unauthorized individuals can gain access to sensitive information, compromising security. A previous patch (CVE-2023-44400) partially addressed this issue but failed to log users out, leaving the vulnerability unresolved. To mitigate risks, the maintainers implemented a `refresh` event and disconnected all clients except the one initiating the password change. It is strongly advised to update Uptime Kuma to version 1.23.9 to protect against unauthorized access.
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