Check Point Advisories

Cisco Secure Firewall Management Center Insecure Deserialization (CVE-2026-20131)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-2183
Date Published:	26 Mar 2026
Severity:	High
Last Updated:	Thursday 26 March, 2026
Source:
Industry Reference:	CVE-2026-20131
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco Secure Firewall Management Center 6.4.0.13 Cisco Secure Firewall Management Center 6.4.0.14 Cisco Secure Firewall Management Center 6.4.0.15 Cisco Secure Firewall Management Center 6.4.0.16 Cisco Secure Firewall Management Center 6.4.0.17 Cisco Secure Firewall Management Center 6.4.0.18 Cisco Secure Firewall Management Center 7.0.0 Cisco Secure Firewall Management Center 7.0.0.1 Cisco Secure Firewall Management Center 7.0.1 Cisco Secure Firewall Management Center 7.0.1.1 Cisco Secure Firewall Management Center 7.0.2 Cisco Secure Firewall Management Center 7.0.2.1 Cisco Secure Firewall Management Center 7.0.3 Cisco Secure Firewall Management Center 7.0.4 Cisco Secure Firewall Management Center 7.0.5 Cisco Secure Firewall Management Center 7.0.6 Cisco Secure Firewall Management Center 7.0.6.1 Cisco Secure Firewall Management Center 7.0.6.2 Cisco Secure Firewall Management Center 7.0.6.3 Cisco Secure Firewall Management Center 7.0.7 Cisco Secure Firewall Management Center 7.0.8 Cisco Secure Firewall Management Center 7.0.8.1 Cisco Secure Firewall Management Center 7.1.0 Cisco Secure Firewall Management Center 7.1.0.1 Cisco Secure Firewall Management Center 7.1.0.2 Cisco Secure Firewall Management Center 7.1.0.3 Cisco Secure Firewall Management Center 7.2.0 Cisco Secure Firewall Management Center 7.2.0.1 Cisco Secure Firewall Management Center 7.2.1 Cisco Secure Firewall Management Center 7.2.2 Cisco Secure Firewall Management Center 7.2.3 Cisco Secure Firewall Management Center 7.2.3.1 Cisco Secure Firewall Management Center 7.2.4 Cisco Secure Firewall Management Center 7.2.4.1 Cisco Secure Firewall Management Center 7.2.5 Cisco Secure Firewall Management Center 7.2.5.1 Cisco Secure Firewall Management Center 7.2.5.2 Cisco Secure Firewall Management Center 7.2.6 Cisco Secure Firewall Management Center 7.2.7 Cisco Secure Firewall Management Center 7.2.8 Cisco Secure Firewall Management Center 7.2.8.1 Cisco Secure Firewall Management Center 7.2.9 Cisco Secure Firewall Management Center 7.2.10 Cisco Secure Firewall Management Center 7.2.10.1 Cisco Secure Firewall Management Center 7.2.10.2 Cisco Secure Firewall Management Center 7.3.0 Cisco Secure Firewall Management Center 7.3.1 Cisco Secure Firewall Management Center 7.3.1.1 Cisco Secure Firewall Management Center 7.3.1.2 Cisco Secure Firewall Management Center 7.4.0 Cisco Secure Firewall Management Center 7.4.1 Cisco Secure Firewall Management Center 7.4.1.1 Cisco Secure Firewall Management Center 7.4.2 Cisco Secure Firewall Management Center 7.4.2.1 Cisco Secure Firewall Management Center 7.4.2.2 Cisco Secure Firewall Management Center 7.4.2.3 Cisco Secure Firewall Management Center 7.4.2.4 Cisco Secure Firewall Management Center 7.4.3 Cisco Secure Firewall Management Center 7.4.4 Cisco Secure Firewall Management Center 7.4.5 Cisco Secure Firewall Management Center 7.6.0 Cisco Secure Firewall Management Center 7.6.1 Cisco Secure Firewall Management Center 7.6.2 Cisco Secure Firewall Management Center 7.6.2.1 Cisco Secure Firewall Management Center 7.6.3 Cisco Secure Firewall Management Center 7.6.4 Cisco Secure Firewall Management Center 7.7.0 Cisco Secure Firewall Management Center 7.7.10 Cisco Secure Firewall Management Center 7.7.10.1 Cisco Secure Firewall Management Center 7.7.11 Cisco Secure Firewall Management Center 10.0.0
Vulnerability Description	An insecure deserialization vulnerability in Cisco Secure Firewall Management Center allows remote attackers to execute arbitrary code as root by sending a crafted serialized Java object to the web-based management interface. This could lead to privilege escalation and full system compromise.

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 Secure Firewall Management Center Insecure Deserialization (CVE-2026-20131) 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 Secure Firewall Management Center Insecure Deserialization (CVE-2026-20131)