CVE-2025-20281

Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

Severity
Critical 10
CVSS 3.1
Exploited
Yes — in CISA KEV
Added Jul 28, 2025
EPSS
0.971
99.9th percentile
Discovered by
Third party
Published by the vendor
Published
Jun 25, 2025
Assigned by cisco

Description

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.

Weakness: CWE-74

Affected products

Vendor Product Category Matched by
Cisco Cisco Identity Services Engine (ISE) Identity / IAM / MFA cna-assigner
Vendor-reported affected versions (1)
  • Cisco · Cisco Identity Services Engine Software