Auth bypass in Cloudflare Warp
CVE-2022-3320
It was possible to bypass policies configured for Zero Trust Secure Web Gateway by using warp-cli 'set-custom-endpoint' subcommand. Using this command with an unreachable endpoint caused the WARP Client to disconnect and allowed bypassing administrative restrictions on a Zero Trust enrolled endpoint.
Vulnerability class: Broken Access Control
EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L.
Affected products
- Cloudflare Warp — versions 0
Weakness classification (CWE)
References
- cna@cloudflare.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3320?
- CVE-2022-3320 is a medium-severity vulnerability in Cloudflare Warp, classified under Missing Authorization. CVSS score: 6.7/10. Published 2022-10-28.
- How severe is CVE-2022-3320?
- Medium severity. CVSS v3 base score is 6.7 out of 10.