CVE-2023-37919
CVE-2023-37919 is a medium-severity vulnerability in Cal Cal.com with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-613
- Affected product: Cal Cal.com
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-37919?
- 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.
- How severe is CVE-2023-37919?
- CVE-2023-37919 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2023-37919 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-37919?
- CVE-2023-37919 affects Cal Cal.com. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-37919?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-37919 published?
- CVE-2023-37919 was published on 2023-07-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cal:cal.com:*:*:*:*:*:*:*:*
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