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TI-2022-03068 Aliases CVE-2022-3320

Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command

Priority MEDIUM 42CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00442 38th percentileScored 2026-11-07
Fix Fixed WARP (Cloudflare): 2022.8.857.0, 2022.8.936, 2022.8.861.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CloudflareWARPbefore 2022.8.857.02022.8.857.0Patch availableCNA
CloudflareWARPbefore 2022.8.9362022.8.936Patch availableCNA
CloudflareWARPbefore 2022.8.861.02022.8.861.0Patch availableCNA
  • WARP VendorCloudflare Affected before 2022.8.857.0 Fixed in 2022.8.857.0 Patch available CNA
  • WARP VendorCloudflare Affected before 2022.8.936 Fixed in 2022.8.936 Patch available CNA
  • WARP VendorCloudflare Affected before 2022.8.861.0 Fixed in 2022.8.861.0 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:windows:*:*before 2022.8.857.0VulnerableCloudflare
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:macos:*:*before 2022.8.861.0VulnerableCloudflare
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:linux_kernel:*:*before 2022.8.936VulnerableCloudflare
  • cpe:2.3:a:cloudflare:warp:*:*:*:*:*:windows:*:* Versions before 2022.8.857.0 Vulnerable ·Cloudflare
  • cpe:2.3:a:cloudflare:warp:*:*:*:*:*:macos:*:* Versions before 2022.8.861.0 Vulnerable ·Cloudflare
  • cpe:2.3:a:cloudflare:warp:*:*:*:*:*:linux_kernel:*:* Versions before 2022.8.936 Vulnerable ·Cloudflare

Remediation

  • Fix · CNA WARP (Cloudflare) Fixed in 2022.8.857.0
  • Fix · CNA WARP (Cloudflare) Fixed in 2022.8.936
  • Fix · CNA WARP (Cloudflare) Fixed in 2022.8.861.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Cloudflare WARP 2022.8.936

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03240 Lock WARP switch bypass using warp-cli 'add-trusted-ssid' commandPriority LOW 38
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-3320

References

Advisory 1

  • TI-2022-04046 support_uri validation missing in WARP client for Windows CVSS 3.1HIGH 8.9
  • TI-2023-01749 Remote access to warp-svc.exe in Cloudflare WARP CVSS 3.1HIGH 7.3
  • TI-2022-03240 Lock WARP switch bypass using warp-cli 'add-trusted-ssid' command CVSS 3.1HIGH 8.8
  • TI-2023-02579 Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client CVSS 3.1HIGH 7.4
  • TI-2023-01335 Local Privilege Escalation Vulnerability in WARP's MSI Installer CVSS 3.1HIGH 7.8
  • TI-2023-00618 Local Privilege Escalation in Cloudflare WARP Installer (Windows) CVSS 3.1HIGH 7.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences