Overview
Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20337
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-20337 |
| Vendor / Product | Cisco — Identity Services Engine |
| NVD Published | 2025-07-16 |
| NVD Last Modified | 2025-10-28 |
| CVSS 3.1 Score | 10 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-74 |
| CISA KEV Added | 2025-07-28 |
| CISA KEV Deadline | 2025-08-18 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 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.
Timeline
| Date | Event |
|---|---|
| 2025-07-28 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-08-18 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-20337 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |