CVE-2026-20242 Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Execution Vulnerability

A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to execute arbitrary commands as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Jav...

EUVD-2026-81109

A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to execute arbitrary commands as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Jav...

CVE-2026-20242

CVE-2026-20242 affects the External Database Access feature of Cisco Secure Firewall Management Center (FMC) Software . The root cause is insecure deserialization of a user-supplied Java byte stream. An unauthenticated, remote attacker who controls a host in the configured external database acces...

CVE-2026-20324 Cisco Secure Firewall Management Center sftunnel Root Arbitrary Code Exectution Vulnerability

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, remote attacker to execute arbitrary commands as root. This vulnerability exists because a registered sftunnel peer has incorrect permissions t...

EUVD-2026-81103

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, remote attacker to execute arbitrary commands as root. This vulnerability exists because a registered sftunnel peer has incorrect permissions t...

CVE-2026-20324

CVE-2026-20324 is a CRITICAL (CVSS 9.9) vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center (FMC) Software . The root cause is that a registered sftunnel peer holds incorrect permissions, allowing it to write an arbitrary file to any locati...

CVE-2026-20324 Cisco Secure Firewall Management Center sftunnel Root Arbitrary Code Exectution Vulnerability

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, remote attacker to execute arbitrary commands as root. This vulnerability exists because a registered sftunnel peer has incorrect permissions t...

EUVD-2026-81097

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20330 Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20330

CVE-2026-20330 is a critical (CVSS 9.9) vulnerability in Cisco Secure ASA , Cisco Secure FTD , and Cisco Secure FMC software, arising from improper neutralization weaknesses (CWE-707). The issues were found via Cisco's internal security review and are addressed in a software hardening release . T...

CVE-2026-20329 Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20329

CVE-2026-20329 affects Cisco Secure Adaptive Security Appliance (ASA) , Cisco Secure Firewall Threat Defense (FTD) , and Cisco Secure Firewall Management Center (FMC) software. The vulnerability stems from improper handling of exceptional conditions (CWE-703), discovered internally during a compr...

CVE-2026-20331

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20331 Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

EUVD-2026-80889

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities

Multiple vulnerabilities in the access control list ACL Object Group Search OGS implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured access...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

A vulnerability in the certification authentication feature of Internet Key Exchange version 2 IKEv2 for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability

A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Execution Vulnerability

A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to execute arbitrary commands as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Jav...