CVE-2021-3038— GlobalProtect App: Windows VPN kernel driver denial of service (DoS)
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2021-3038
Vulnerability Information
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Vulnerability Title
GlobalProtect App: Windows VPN kernel driver denial of service (DoS)
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks GlobalProtect 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks GlobalProtect是美国Palo Alto Networks公司的一套网络防护软件。该软件可提供防火墙监控及威胁预防等功能。 Palo Alto Networks GlobalProtect 存在输入验证错误漏洞，该漏洞允许本地用户执行拒绝服务(DoS)攻击。
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 |
|---|---|---|---|---|
| Palo Alto Networks | GlobalProtect App | 5.1 ~ 5.1.8 | - |
II. Public POCs for CVE-2021-3038
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-3038 (1)
- https://security.paloaltonetworks.com/CVE-2021-3038x_refsource_MISC
Same Patch Batch · Palo Alto Networks · 2021-04-20 · 4 CVEs total
| CVE-2021-3035 | 6.7 MEDIUM | Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution |
| CVE-2021-3036 | 4.4 MEDIUM | PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API |
| CVE-2021-3037 | 2.3 LOW | PAN-OS: Secrets for scheduled configuration exports are logged in system logs |
IV. Related Vulnerabilities
Same product: GlobalProtect App
- CVE-2026-0299
GlobalProtect App: Local Privilege Escalation Vulnerabilitie - CVE-2026-0298
GlobalProtect App: Code Execution Vulnerability in Windows P - CVE-2026-0297
GlobalProtect App: Buffer Overflow Vulnerability during UDP - CVE-2026-0296
GlobalProtect App: Improper Certificate Validation Bypass Vu - CVE-2026-0295
GlobalProtect App: Local Privilege Escalation via Race Condi
Same vendor: Palo Alto Networks
- CVE-2026-0301
PAN-OS: Information Disclosure Vulnerability in URL Filterin - CVE-2026-0299
GlobalProtect App: Local Privilege Escalation Vulnerabilitie - CVE-2026-0298
GlobalProtect App: Code Execution Vulnerability in Windows P - CVE-2026-0297
GlobalProtect App: Buffer Overflow Vulnerability during UDP - CVE-2026-0296
GlobalProtect App: Improper Certificate Validation Bypass Vu
Same weakness: CWE-20
- CVE-2026-22072
Arbitrary URL Loading in WebView Leading to Token Leakage Ri - CVE-2026-12128
Pinpoint Booking System <= 2.9.9.6.8 - Unauthenticated Impro - CVE-2026-73845
CKAN MCP Server: MQA server allowlist bypass via unanchored - CVE-2026-73658
Trigger.dev: Cross-tenant object store read and write via UR - CVE-2026-49827
WebErpMesv2 has Unauthenticated RCE via Unrestricted File Up
V. Comments for CVE-2021-3038
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