CVE-2022-3320: Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command

Published Oct 28, 2022
·
Updated

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.

Affected Software

3 affected components
Cloudflare Warp Windows<2022.8.857.0
Cloudflare Warp Macos<2022.8.861.0
Cloudflare Warp Linux Kernel<2022.8.936

Remediation

Information

Upgrade to specified patched versions.

Event History

Oct 28, 2022
CVE Published
via MITRE·09:30 AM
Data Sourced
via MITRE·09:30 AM
RemedyDescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2022-3320?

CVE-2022-3320 is a vulnerability that allowed bypassing policies configured for Zero Trust Secure Web Gateway by using the warp-cli 'set-custom-endpoint' subcommand.

2

How does CVE-2022-3320 affect Cloudflare Warp?

CVE-2022-3320 affects Cloudflare Warp versions up to 2022.8.857.0 for Windows, 2022.8.861.0 for macOS, and 2022.8.936 for Linux Kernel.

3

What is the severity of CVE-2022-3320?

CVE-2022-3320 has a severity rating of 9.8 (Critical).

4

How can CVE-2022-3320 be exploited?

CVE-2022-3320 can be exploited by using the warp-cli 'set-custom-endpoint' subcommand with an unreachable endpoint.

5

How can I fix CVE-2022-3320 in Cloudflare Warp?

To fix CVE-2022-3320 in Cloudflare Warp, update to a version higher than 2022.8.857.0 for Windows, 2022.8.861.0 for macOS, or 2022.8.936 for Linux Kernel.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203