CVE-2022-3320: Cloudflare WARP Zero Trust Policy Bypass via set-custom-endpoint
CVE-2022-3320 Published on October 28, 2022
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.
Vulnerability Analysis
CVE-2022-3320 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and a small impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2022-3320 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2022-3320
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Affected Versions
Cloudflare WARP:- Before 2022.8.857.0 is affected.
- Before 2022.8.936 is affected.
- Before 2022.8.861.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.