Improper Neutralization of Special Elements in Output Used by a Downstream Component in Cisco Identity Services Engine (ISE) - CVE-2025-20337
Published: July 17, 2025 / Updated: July 28, 2025
Vulnerability identifier: #VU113027
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2025-20337
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Cisco Systems, Inc
Affected software:
Cisco Identity Services Engine (ISE)
Cisco Identity Services Engine (ISE)
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when handling HTTP requests. A remote non-authenticated attacker can send a specially crafted API request and execute arbitrary code on the system with root privileges.
How to mitigate CVE-2025-20337
Install updates from vendor's website.