CVE-2021-3062— PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users
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I. Basic Information for CVE-2021-3062
Vulnerability Information
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Vulnerability Title
PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper access control vulnerability in PAN-OS software enables an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS. Exploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20 VM-Series firewalls; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11 VM-Series firewalls; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14 VM-Series firewalls; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8 VM-Series firewalls. Prisma Access customers are not impacted by this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks GlobalProtect 安全漏洞
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 存在安全漏洞，使得通过身份验证访问GlobalProtect portal and gateway的攻击者能够连接到托管在Amazon AWS上的VM系列防火墙的EC2实例元数据端点。攻击者可利用该漏洞执行AWS中EC2角色允许的任何操作。受影响的系统包括：PAN-OS
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 | PAN-OS | 10.1.* | - | |
| Palo Alto Networks | Prisma Access | 2.1 all | - |
II. Public POCs for CVE-2021-3062
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.paloaltonetworks.com/CVE-2021-3062x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3062
Same Patch Batch · Palo Alto Networks · 2021-11-10 · 8 CVEs total
| CVE-2021-3064 | 9.8 CRITICAL | PAN-OS: Memory Corruption Vulnerability in GlobalProtect Portal and Gateway Interfaces |
| CVE-2021-3058 | 8.8 HIGH | PAN-OS: OS Command Injection Vulnerability in Web Interface XML API |
| CVE-2021-3056 | 8.8 HIGH | PAN-OS: Memory Corruption Vulnerability in GlobalProtect Clientless VPN During SAML Authen |
| CVE-2021-3060 | 8.1 HIGH | PAN-OS: OS Command Injection in Simple Certificate Enrollment Protocol (SCEP) |
| CVE-2021-3059 | 8.1 HIGH | PAN-OS: OS Command Injection Vulnerability When Performing Dynamic Updates |
| CVE-2021-3063 | 7.5 HIGH | PAN-OS: Denial-of-Service (DoS) Vulnerability in GlobalProtect Portal and Gateway Interfac |
| CVE-2021-3061 | 6.4 MEDIUM | PAN-OS: OS Command Injection Vulnerability in the Command Line Interface (CLI) |
IV. Related Vulnerabilities
Same product: PAN-OS
- CVE-2025-0116
PAN-OS: Firewall Denial of Service (DoS) Using a Specially C - CVE-2025-0115
PAN-OS: Authenticated Admin File Read Vulnerability in PAN-O - CVE-2025-0114
PAN-OS: Denial of Service (DoS) in GlobalProtect - CVE-2024-9471
PAN-OS: Privilege Escalation (PE) Vulnerability in XML API - CVE-2024-8691
PAN-OS: User Impersonation in GlobalProtect Portal
Same vendor: Palo Alto Networks
- CVE-2026-0300
PAN-OS: Unauthenticated user initiated Buffer Overflow Vulne - CVE-2026-0232
Cortex XDR Agent: Local Administrator can disable the agent - CVE-2026-0233
Autonomous Digital Experience Manager: Improper validation o - CVE-2026-0234
Cortex XSOAR: Improper Verification of Cryptographic Signatu - CVE-2026-0231
Cortex XDR Broker VM: Sensitive Information Disclosure Vulne
Same weakness: CWE-284
- CVE-2026-8233
Dotouch XproUPF access control - CVE-2026-42569
phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2021-3062
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