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Cisco Event Response: March 2026 Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication

Doc ID:

ERP-75736

First Published:

2026 March 4 16:00 GMT

Version:

1.0

Summary

The March 4, 2026, release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication includes 25 Cisco Security Advisories that describe 48 vulnerabilities in Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software. Cisco has released software updates that address these vulnerabilities.

Details

The following table identifies Cisco Security content that is associated with this bundled publication:

Cisco Security Advisory	CVE ID	Security Impact Rating	CVSS Base Score
Cisco Secure Firewall Management Center Software Authentication Bypass Vulnerability	CVE-2026-20079	Critical	10
Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability	CVE-2026-20131	Critical	10
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerabilities	CVE-2026-20100 CVE-2026-20101 CVE-2026-20103 CVE-2026-20105 CVE-2026-20106	High	8.6
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Server Denial of Service Vulnerability	CVE-2026-20039	High	8.6
Cisco Secure Firewall Adaptive Security Appliance Software TCP Flood Denial of Service Vulnerability	CVE-2026-20082	High	8.6
Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities	CVE-2026-20001 CVE-2026-20002 CVE-2026-20003	High	8.1
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerabilities	CVE-2026-20013 CVE-2026-20014 CVE-2026-20015	High	7.7
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IPsec Denial of Service Vulnerability	CVE-2026-20049	High	7.7
Cisco Secure Firewall Adaptive Security Appliance Software Multiple Context Mode SCP Unauthorized File Access Vulnerability	CVE-2026-20062	High	7.2
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software OSPF Protocol Vulnerabilities	CVE-2026-20020 CVE-2026-20021 CVE-2026-20022 CVE-2026-20023 CVE-2026-20024 CVE-2026-20025	Medium	6.8
Cisco Secure Firewall Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability	CVE-2026-20050	Medium	6.8
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Authenticated Command Injection Vulnerabilities	CVE-2026-20016 CVE-2026-20017 CVE-2026-20063 CVE-2026-20064	Medium	6.5
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability	CVE-2026-20102	Medium	6.1
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability	CVE-2026-20070	Medium	6.1
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability	CVE-2026-20008	Medium	6
Cisco Secure Firewall Management Center Software Command Injection Vulnerability	CVE-2026-20044	Medium	6
Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software Path Traversal Vulnerability	CVE-2026-20018	Medium	5.9
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability	CVE-2026-20073	Medium	5.8
Cisco Secure Firewall Threat Defense Software Snort 3 SSL Memory Management Denial of Service Vulnerability	CVE-2026-20052	Medium	5.8
Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability	CVE-2026-20007	Medium	5.8
Cisco Secure Firewall Threat Defense Software TLS with Snort 3 Detection Engine Denial of Service Vulnerability	CVE-2026-20006	Medium	5.8
Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities	CVE-2026-20005 CVE-2026-20065 CVE-2026-20066 CVE-2026-20067 CVE-2026-20068	Medium	5.8
Multiple Cisco Products Snort 3 Visual Basic for Applications Denial of Service Vulnerabilities	CVE-2026-20053 CVE-2026-20054 CVE-2026-20057 CVE-2026-20058	Medium	5.8
Cisco Secure Firewall Adaptive Security Appliance Software SSH Partial Private Key Authentication Bypass Vulnerability	CVE-2026-20009	Medium	5.3
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Client-Side Request Smuggling Vulnerability	CVE-2026-20069	Medium	4.3

Related Resources

Cisco Security Vulnerability Policy
MITRE Common Vulnerabilities and Exposures
Common Vulnerability Scoring System and the Security Impact Rating
Common Vulnerability Scoring System Q & A