CVE-2023-37919
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
Cal.com is scheduling software that has a vulnerability allowing active sessions to remain after enabling 2FA. When 2FA is activated on an account logged in on two or more devices, the other device(s) remain logged in without requiring identity verification.
Risk Assessment
The organization may be exposed to unauthorized access to the account, as sessions remain active on other devices without additional verification. This increases the risk of data theft or unauthorized actions.
Recommendation
It is recommended to monitor active sessions and consider logging out from other devices after enabling 2FA. Also, keep track of software updates to apply patches when they become available.
Original NVD description (English source)
Cal.com is open-source scheduling software. A vulnerability allows active sessions associated with an account to remain active even after enabling 2FA. When activating 2FA on a Cal.com account that is logged in on two or more devices, the account stays logged in on the other device(s) stays logged in without having to verify the account owner's identity. As of time of publication, no known patches or workarounds exist.

