Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

Cisco has revealed a critical security vulnerability in its Identity Services Engine (ISE) and Passive Identity Connector, allowing unauthenticated attackers to execute arbitrary code with root privileges. The issue, identified as CVE-2025-20337, has been patched in recent releases and emphasizes the importance of timely updates to prevent exploitation. #CiscoISE #CVE202520337

Keypoints

  • Cisco disclosed a high-severity vulnerability in its ISE and ISE-PIC affecting versions 3.3 and 3.4.
  • The flaw allows remote, unauthenticated attackers to execute arbitrary code with root privileges.
  • The vulnerability is due to insufficient input validation in a specific API.
  • It has been patched in Cisco ISE 3.3 Patch 7 and 3.4 Patch 2 releases.
  • The Shadowserver Foundation reports threat actors exploiting related vulnerabilities like CVE-2025-25257 to attack Fortinet FortiWeb devices.

Read More: https://thehackernews.com/2025/07/cisco-warns-of-critical-ise-flaw.html