CVE-2023-3747 MEDIUM

CVE-2023-3747: Insufficient Validation on Override Codes for Always-Enabled WARP Mode

Vendor Cloudflare
Product WARP Client
Weakness CWE-602 · Client-side enforcement
Published September 7, 2023
Last update September 26, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Zero Trust Administrators have the ability to disallow end users from disabling WARP on their devices. Override codes can also be created by the Administrators to allow a device to temporarily be disconnected from WARP, however, due to lack of server side validation, an attacker with local access to the device, could extend the maximum allowed disconnected time of WARP client granted by an override code by changing the date & time on the local device where WARP is running.

Key dates

02Disclosure timeline

September 7, 2023 CVE published
September 26, 2024 Record updated