CVE-2022-3320
CWE-862Published: October 28, 2022· Updated: Jun 17, 2026
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.
Risk Analysis
Cloudflare WARP client is vulnerable to a policy bypass that allows users to disconnect from the Zero Trust Secure Web Gateway. This critical flaw could allow attackers to circumvent administrative security restrictions.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.
Update the WARP client to the latest version and enforce security policies that prevent unauthorized configuration changes.
Technical Analysis
CVE-2022-3320 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-862)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-3320 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts