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Rewterz Threat Advisory – CVE-2021-3041 – Palo Alto Cortex XDR Agent Vulnerability

Severity

High

Analysis Summary

CVE-2021-3041

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.

Impact

  • Privilege escalation
  • Code Execution

Affected Vendors

Palo Alto

Affected Products

  • Cortex XDR Agent 5.0.11
  • Cortex XDR Agent 6.1.8
  • Cortex XDR Agent 7.2.3 or without content update 171 or later

Remediation

  • For Cortex XDR agent 5.0.11 please update to 5.0.12 or later
  • For Cortex XDR agent 6.1.8 please update to 6.1.9 or later
  • For Cortex XDR agent 7.2.3 and all later Cortex XDR agent versions