by Kastro
Paper/Archive/CVE-2022-3320

CVE-2022-3320

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

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
37
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 38.5.385 × 207.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
WARP< 2022.8.857.02022.8.857.0CNA
WARP< 2022.8.9362022.8.936CNA
WARP< 2022.8.861.02022.8.861.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cloudflare (CNA)6.7CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgithub.com/cloudflare/advisories/security/advisories/GHSA-3868-hwjx-r5xf