CVE-2025-20337
Cisco Identity Services Engine Injection Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-07-28. Federal due date: 2025-08-18.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Identity Services Engine | Versions 3.3.0, 3.4.0 |
| Cisco | Identity Services Engine Passive Identity Connector | Versions 3.3.0, 3.4.0 |