CVE-2022-3320
Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
CVE-2022-3320 is a medium vulnerability (CVSS 6.7) in Cloudflare Warp, published October 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
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.
- Record
CVE-2022-3320- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2022-42710
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.
- Record
EUVD-2022-42710- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-3320- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, NVD |