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CRITICAL SEVERITY
CVE-2025-20337 Cisco · Identity Services Engine

Cisco Identity Services Engine Injection Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
10 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

0.61 %
Predictive Probability
Percentile Rank
69.3 th

Documented as more likely to be exploited than 69.3% of known CVEs.

Detection Date

Jul 28, 2025

Remediation Due

Aug 18, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-20337