CVE-2022-4428— support_uri validation missing in WARP client for Windows
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I. Basic Information for CVE-2022-4428
Vulnerability Information
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Vulnerability Title
support_uri validation missing in WARP client for Windows
Source: NVD (National Vulnerability Database)
Vulnerability 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).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cloudflare WARP 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudflare WARP（Cloudflare Vpn）是美国Cloudflare公司的一个用于安全连接的客户端应用软件。 Cloudflare WARP存在安全漏洞，该漏洞源于其客户端本地设置文件（mdm.xml）中的support_uri参数缺乏适当的验证允许攻击者提升权限，并在单击“Send feedback”选项时在本地机器上启动任意可执行文件。具有本地文件系统访问权限的攻击者可以使用指向恶意文件的精心制作的XML配置文件，或者使用Cloudflare Zero Trust Dashboar
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cloudflare | WARP | 0 ~ 2022.10.106.0 | - |
II. Public POCs for CVE-2022-4428
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: WARP
- CVE-2025-0651
File symlink abuse might lead to deleting files belonging to - CVE-2023-2754
Plaintext transmission of DNS requests in Windows 1.1.1.1 WA - CVE-2023-0652
Local Privilege Escalation in Cloudflare WARP Installer (Win - CVE-2023-1412
Local Privilege Escalation Vulnerability in WARP's MSI Insta - CVE-2022-4457
WARP client manifest misconfiguration leading to Task Hijack
Same vendor: Cloudflare
- CVE-2026-2836
Cache poisoning via insecure-by-default cache key - CVE-2026-2835
HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Mi - CVE-2026-2833
HTTP Request Smuggling via Premature Upgrade - CVE-2026-1229
Incorrect calculation in CIRCL secp384r1 CombinedMult - CVE-2026-0933
OS Command Injection in `wrangler pages deploy`
Same weakness: CWE-20
V. Comments for CVE-2022-4428
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