CVE-2022-3320 Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
Attackers can bypass Cloudflare Zero Trust security policies by using the warp-cli set-custom-endpoint command to disconnect the WARP client.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-3320?
CVE-2022-3320 is a medium-severity vulnerability in Cloudflare WARP, published on 28 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2022-3320?
It affects 1 product.
Products include Cloudflare Warp.
How do I fix CVE-2022-3320?
No fix has been published for CVE-2022-3320 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-3320 being exploited?
There is no known exploitation of CVE-2022-3320 in the wild and no public exploit code.
Other vulnerabilities in Cloudflare WARP
- CVE-2022-4428 support_uri validation missing in WARP client for Windows
- CVE-2022-2225 Zero Trust Secure Web Gateway policies bypass using WARP client subcommands
- CVE-2023-2754 Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client
- CVE-2023-1862 Remote access to warp-svc.exe in Cloudflare WARP
- CVE-2023-0652 Local Privilege Escalation in Cloudflare WARP Installer (Windows)