Check Point Advisories

Cisco Multiple Products Command Injection (CVE-2026-20181)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-9634
Date Published:	2 Aug 2026
Severity:	High
Last Updated:	Sunday 02 August, 2026
Source:
Industry Reference:	CVE-2026-20181
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco Identity Services Engine Software 3.1.0 Cisco Identity Services Engine Software 3.1.0 p1 Cisco Identity Services Engine Software 3.1.0 p2 Cisco Identity Services Engine Software 3.1.0 p3 Cisco Identity Services Engine Software 3.1.0 p4 Cisco Identity Services Engine Software 3.1.0 p5 Cisco Identity Services Engine Software 3.1.0 p6 Cisco Identity Services Engine Software 3.1.0 p7 Cisco Identity Services Engine Software 3.1.0 p8 Cisco Identity Services Engine Software 3.1.0 p9 Cisco Identity Services Engine Software 3.1.0 p10 Cisco Identity Services Engine Software 3.1.0 p11 Cisco Identity Services Engine Software 3.2.0 Cisco Identity Services Engine Software 3.2.0 p1 Cisco Identity Services Engine Software 3.2.0 p2 Cisco Identity Services Engine Software 3.2.0 p3 Cisco Identity Services Engine Software 3.2.0 p4 Cisco Identity Services Engine Software 3.2.0 p5 Cisco Identity Services Engine Software 3.2.0 p6 Cisco Identity Services Engine Software 3.2.0 p7 Cisco Identity Services Engine Software 3.2 Patch 8 Cisco Identity Services Engine Software 3.2 Patch 9 Cisco Identity Services Engine Software 3.2 Patch 10 Cisco Identity Services Engine Software 3.3.0 Cisco Identity Services Engine Software 3.3 Patch 1 Cisco Identity Services Engine Software 3.3 Patch 2 Cisco Identity Services Engine Software 3.3 Patch 3 Cisco Identity Services Engine Software 3.3 Patch 4 Cisco Identity Services Engine Software 3.3 Patch 5 Cisco Identity Services Engine Software 3.3 Patch 6 Cisco Identity Services Engine Software 3.3 Patch 7 Cisco Identity Services Engine Software 3.3 Patch 8 Cisco Identity Services Engine Software 3.3 Patch 9 Cisco Identity Services Engine Software 3.3 Patch 10 Cisco Identity Services Engine Software 3.4.0 Cisco Identity Services Engine Software 3.4 Patch 1 Cisco Identity Services Engine Software 3.4 Patch 2 Cisco Identity Services Engine Software 3.4 Patch 3 Cisco Identity Services Engine Software 3.4 Patch 4 Cisco Identity Services Engine Software 3.4 Patch 5 Cisco Identity Services Engine Software 3.5.0 Cisco Identity Services Engine Software 3.5 Patch 1 Cisco Identity Services Engine Software 3.5 Patch 2 Cisco Identity Services Engine Software 3.5 Patch 3 Cisco ISE Passive Identity Connector 3.1.0 Cisco ISE Passive Identity Connector 3.2.0 Cisco ISE Passive Identity Connector 3.3.0 Cisco ISE Passive Identity Connector 3.4.0 Cisco ISE Passive Identity Connector 3.5.0
Vulnerability Description	A command injection vulnerability in Cisco products allows authenticated, remote attackers to execute arbitrary commands on the underlying operating system of affected devices. Attackers must have valid administrative credentials to exploit this vulnerability. Successful exploitation could result in user-level access to the operating system, privilege escalation to root, and denial-of-service conditions in single-node deployments.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Cisco Multiple Products Command Injection (CVE-2026-20181) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Cisco Protection Violation.
Attack Information: Cisco Multiple Products Command Injection (CVE-2026-20181)