CVE-2022-4428

support_uri validation missing in WARP client for Windows

Published Jan 11, 2023 CVSS 3.1 · 8.9 High EPSS < 1% KEV · Not listed
Description
support_uri parameter in the WARP client local settings file (mdm.xml) lacked proper validation which allowed for privilege escalation and launching an arbitrary executable on the local machine upon clicking on the "Send feedback" option. An attacker with access to the local file system could use a crafted XML config file pointing to a malicious file or set a local path to the executable using Cloudflare Zero Trust Dashboard (for Zero Trust enrolled clients).

Remediation

Vendor Solution

Update WARP client for Windows to the latest available version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-51773 support_uri parameter in the WARP client local settings file (mdm.xml) lacked proper validation which allowed for privilege escalation and launching an arbitrary executable on the local machine upon clicking on the "Send feedback" option. An attacker with access to the local file system could use a crafted XML config file pointing to a malicious file or set a local path to the executable using Cloudflare Zero Trust Dashboard (for Zero Trust enrolled clients).
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cloudflare
Published
Updated
Apr 9, 2025, 1:43 PM
Reserved
Dec 12, 2022, 4:15 PM
Status
Modified
Published
Jan 11, 2023, 5:15 PM
Modified
Jun 17, 2026, 5:20 AM