#VU126396 Command Injection in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) - CVE-2026-20147

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Main Vulnerability Database Vulnerabilities #VU126396

#VU126396 Command Injection in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) - CVE-2026-20147

Published: April 17, 2026


Vulnerability identifier: #VU126396
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-20147
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Identity Services Engine (ISE)
ISE Passive Identity Connector (ISE-PIC)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to insufficient input validation. A remote user can send a specially crafted HTTP request and execute arbitrary commands.


Remediation

Install updates from vendor's website.

External links