// For flags

CVE-2025-20281

Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-10-10 CVE Reserved
  • 2025-06-25 CVE Published
  • 2025-06-26 CVE Updated
  • 2025-07-01 EPSS Updated
  • 2025-07-01 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Cisco Identity Services Engine Software
Search vendor "Cisco" for product "Cisco Identity Services Engine Software"
3.3.0
Search vendor "Cisco" for product "Cisco Identity Services Engine Software" and version "3.3.0"
en
Affected
Cisco
Search vendor "Cisco"
Cisco Identity Services Engine Software
Search vendor "Cisco" for product "Cisco Identity Services Engine Software"
3.4.0
Search vendor "Cisco" for product "Cisco Identity Services Engine Software" and version "3.4.0"
en
Affected