Vulnerability in Cloudflare Warp

CVE-2023-3747

Zero Trust Administrators have the ability to disallow end users from disabling WARP on their devices. Override codes can also be created by the Administrators to allow a device to temporarily be disconnected from WARP, however, due to lack of server side validation, an attacker with local access to the device, could extend the maximum allowed disconnected time of WARP client granted by an override code by changing the date & time on the local device where WARP is running.

EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-3747?
CVE-2023-3747 is a medium-severity vulnerability in Cloudflare Warp, classified under CWE-602. CVSS score: 5.5/10. Published 2023-09-07.
How severe is CVE-2023-3747?
Medium severity. CVSS v3 base score is 5.5 out of 10.