CVE-2025-20337
Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
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 ISE Passive Identity Connector | Identity / IAM / MFA | cna-assigner |
| Cisco | Cisco Identity Services Engine (ISE) Check your version | Identity / IAM / MFA | cna-assigner |
Vendor-reported products (2)
- Cisco · Cisco Identity Services Engine Software
- Cisco · Cisco ISE Passive Identity Connector
Vendor advisory
cisco-sa-ise-unauth-rce-ZAd2GnJ6
Cisco Identity Services Engine Unauthenticated Remote Code Execution Vulnerabilities
Cisco’s rating: Critical (advisory CVSS 10.0) · Published Jun 25, 2025 · updated Jul 24, 2025 (revision 2.2)
Bug IDs: CSCwo99449 , CSCwp02814 , CSCwp02821
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from