CVE-2023-37919: cal cal.com Insufficient Session Expiration

Vulnerability summary

CVE-2023-37919 is a medium (CVSS 6.5) Insufficient Session Expiration vulnerability in cal cal.com. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.9% of scored vulnerabilities.

Timeline

1. 25-07-2023
   PublishedVulnerability first disclosed.
2. 16-10-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-613Insufficient Session ExpirationAccording to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."