CVE-2025-0651: File symlink abuse might lead to deleting files belonging to SYSTEM user

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-22 · updated 2026-06-17
Weakness: CWE-269

Description

Improper Privilege Management vulnerability in Cloudflare WARP on Windows allows File Manipulation. User with a low system privileges can create a set of symlinks inside the C:\ProgramData\Cloudflare\warp-diag-partials folder. After triggering the 'Reset all settings" option the WARP service will delete the files that the symlink was pointing to. Given the WARP service operates with System privileges this might lead to deleting files owned by the System user. This issue affects WARP: before 2024.12.492.0.

Affected products

Cloudflare WARP: before 2024.12.492.0 — fixed in 2024.12.492.0

How to fix

Upgrade to a fixed version: Cloudflare WARP 2024.12.492.0. Check the vendor advisory for mitigations.

References

https://developers.cloudflare.com/warp-client/

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