What is CVE-2022-3321?

CVE-2022-3321 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-2022-3321?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Cloudflare Warp

CVE-2022-3321

It was possible to bypass Lock WARP switch feature https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/warp-settings/#lock-warp-switch on the WARP iOS mobile client by enabling both "Disable for cellular networks" and "Disable for Wi-Fi networks" switches at once in the application settings. Such configuration caused the WARP client to disconnect and allowed the user to bypass restrictions and policies enforced by the Zero Trust platform.

Vulnerability class: Broken Access Control

EPSS: 0.004 (29.6th 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
Cloudflare Warp_mobile_client

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cna@cloudflare.com (Third Party Advisory)

Frequently asked questions

What is CVE-2022-3321?: CVE-2022-3321 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-2022-3321?: Medium severity. CVSS v3 base score is 6.7 out of 10.