Vulnerability · Published Oct 28, 2022 · Assigned by cloudflare

CVE-2022-3320Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command

Medium 6.7

In plain English

A medium-severity missing authorization in WARP from Cloudflare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.4%top 61.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Cloudflare WARP 0 – before 2022.8.857.0
Cloudflare WARP 0 – before 2022.8.936
Cloudflare WARP 0 – before 2022.8.861.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L

References