CVE-2023-0652 HIGH

CVE-2023-0652: Local Privilege Escalation in Cloudflare WARP Installer (Windows)

Vendor Cloudflare
Product WARP
Weakness CWE-59
Published April 6, 2023
Last update February 10, 2025
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Due to a hardlink created in the ProgramData folder during the repair process of the software, the installer (MSI) of WARP Client for Windows (<= 2022.12.582.0) allowed a malicious attacker to forge the destination of the hardlink and escalate privileges, overwriting SYSTEM protected files. As Cloudflare WARP client for Windows (up to version 2022.5.309.0) allowed creation of mount points from its ProgramData folder, during installation of the WARP client, it was possible to escalate privileges and overwrite SYSTEM protected files.

Key dates

02Disclosure timeline

April 6, 2023 CVE published
February 10, 2025 Record updated