CVE-2025-20282CWE-269

Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

Critical · published June 25, 2025

CVSS v3.1
10.0
EPSS
39%
Percentile
98.6
In the wild
Unconfirmed
What it is

🚨 An unauthenticated file upload in Cisco ISE could let a remote attacker waltz in and execute malicious code with root privileges! 🔥 Think of it like a delivery driver who can drop off any package in a secure vault without anyone checking the contents — it’s a recipe for disaster! With this vulnerability, an attacker could upload harmful files and execute them with root access, effectively taking full control of the device. This could lead to data breaches, system compromise, or even a complete takeover of network resources. It's absolutely devastating!

Put simply

Think of it like a delivery driver who can drop off any package in a secure vault without anyone checking the contents — it’s a recipe for disaster! This flaw in the internal API of Cisco ISE and Cisco ISE-PIC arises from missing file validation checks, allowing arbitrary files to be uploaded to privileged directories. Once uploaded, these files can be executed with root privileges, giving attackers immense control over the system.

What to do

With this vulnerability, an attacker could upload harmful files and execute them with root access, effectively taking full control of the device. This could lead to data breaches, system compromise, or even a complete takeover of network resources. It's absolutely devastating! Immediately patch affected systems to the latest version released by Cisco. Implement strict file validation checks and monitor for any unusual file uploads to critical directories. Regularly audit your security configuration to ensure compliance with best practices. You've got this! Follow these steps, and you'll shore up your defenses in no time. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.38719 · 98.6th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2025-06-25T16:29Z
EPSS history
Timeline
  • 25 JUN 16:29Z
    Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
    cvelistv5