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CVE-2021-3041— Cortex XDR Agent: Improper control of user-controlled file leads to local privilege escalation

Quick assessment

Affected
Palo Alto Networks Cortex XDR Agent
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 Cortex XDR Agent是马来西亚Palo Alto Networks公司的一个用于检测客户端设备安全性的客户端软件。 Cortex XDR Agent 存在代码问题漏洞，该漏洞源于应用程序以不安全的方式加载DLL库。本地用户，具有在Windows根目录中创建文件的特权，或具有system特权操作键注册表值并在系统上执行任意代码的特权。攻击者可利用该漏洞允许本地用户升级对系统的特权。

CVSS 7.8 · High EPSS 0.25% · P15
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I. Basic Information for CVE-2021-3041

Vulnerability Information
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Vulnerability Title
Cortex XDR Agent: Improper control of user-controlled file leads to local privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
A local privilege escalation vulnerability exists in the Palo Alto Networks Cortex XDR agent on Windows platforms that enables an authenticated local Windows user to execute programs with SYSTEM privileges. This requires the user to have the privilege to create files in the Windows root directory or to manipulate key registry values. This issue impacts: Cortex XDR agent 5.0 versions earlier than Cortex XDR agent 5.0.11; Cortex XDR agent 6.1 versions earlier than Cortex XDR agent 6.1.8; Cortex XDR agent 7.2 versions earlier than Cortex XDR agent 7.2.3; All versions of Cortex XDR agent 7.2 without content update release 171 or a later version.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks Cortex XDR Agent 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks Cortex XDR Agent是马来西亚Palo Alto Networks公司的一个用于检测客户端设备安全性的客户端软件。 Cortex XDR Agent 存在代码问题漏洞，该漏洞源于应用程序以不安全的方式加载DLL库。本地用户，具有在Windows根目录中创建文件的特权，或具有system特权操作键注册表值并在系统上执行任意代码的特权。攻击者可利用该漏洞允许本地用户升级对系统的特权。
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 Cortex XDR Agent 5.0 ~ 5.0.11 -

II. Public POCs for CVE-2021-3041

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III. Intelligence Information for CVE-2021-3041

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Vendor Advisories for CVE-2021-3041 (1)

Same Patch Batch · Palo Alto Networks · 2021-06-10 · 3 CVEs total

CVE-2021-3040 6.7 MEDIUM Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution
CVE-2021-3039 3.8 LOW Prisma Cloud Compute: User role authorization secret for Console leaked through log file e

IV. Related Vulnerabilities

Same product: Cortex XDR Agent
Same vendor: Palo Alto Networks
Same weakness: CWE-427

V. Comments for CVE-2021-3041

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