CVE-2026-20039 Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

CVE-2026-20039

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

CVE-2026-20039

CVE-2026-20039 affects Cisco Secure Firewall ASA/FTD VPN web server. The root cause is ineffective memory management in the VPN web server, which can be exploited by sending a large flood of crafted HTTP requests, potentially causing the device to reload and suffer a denial-of-service. The affect...

CVE-2026-20044 Cisco Secure Firewall Management Center Command Injection Vulnerability

A vulnerability in the lockdown mechanism of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, local attacker to perform arbitrary commands as root. This vulnerability is due to insufficient restrictions on remediation modules while in lockdown mode. An attacker...

CVE-2026-20079 Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

A vulnerability in the web interface of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due ...

CVE-2026-20079

A vulnerability in the web interface of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due ...

CVE-2026-20079 Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

A vulnerability in the web interface of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due ...

CVE-2026-20005

Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to incomplete parsing of the...

CVE-2026-20008

A vulnerability in a small subset of CLI commands that are used on Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, local attacker to craft Lua code that could be used on the underlying operating...

CVE-2026-20008 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability

A vulnerability in a small subset of CLI commands that are used on Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, local attacker to craft Lua code that could be used on the underlying operating...

CVE-2026-20008 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability

A vulnerability in a small subset of CLI commands that are used on Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, local attacker to craft Lua code that could be used on the underlying operating...

CVE-2026-20008

Cisco reports a CVE-2026-20008 affecting a small subset of CLI commands on Cisco Secure Firewall ASA and Threat Defense (FTD) software. The vulnerability arises from unsanitized user input that can be used to craft Lua code executed on the underlying OS as root. An authenticated attacker with Adm...

CVE-2026-20009

A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific...

CVE-2026-20009 Cisco Secure Firewall Adaptive Security Appliance SSH Partial Private Key Authentication Bypass Vulnerability

A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific...

CVE-2026-20009 Cisco Secure Firewall Adaptive Security Appliance SSH Partial Private Key Authentication Bypass Vulnerability

A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific...

CVE-2026-20001 Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities

A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending...

CVE-2026-20001 Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities

A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending...

CVE-2026-20001

A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending...

Cisco Secure Firewall Management Center Software Command Injection Vulnerability

A vulnerability in the lockdown mechanism of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, local attacker to perform arbitrary commands as root. This vulnerability is due to insufficient restrictions on remediation modules while in lockdown mode. An attacker...

Cisco Webex Services Cross-Site Scripting Vulnerability

A vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack. Cisco has addressed this vulnerability, and no customer action is needed. This vulnerability was due to improper filtering of user-supplied input. Prior to this...