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CVE-2021-3062— PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users

Quick assessment

Affected
Palo Alto Networks PAN-OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 8.1 · High EPSS 0.70% · P50

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
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

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III. Intelligence Information for CVE-2021-3062

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Vendor Advisories for CVE-2021-3062 (1)

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
Same vendor: Palo Alto Networks
Same weakness: CWE-284

V. Comments for CVE-2021-3062

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