CVE-2026-20340

Cisco Secure Firewall Management Center (FMC) Software is affected by an unsecured deserialization vulnerability in web-management user-controlled data. An authenticated remote attacker with at least the Security Analyst (read-only) role can send a crafted HTTP payload to the device, save it, and...

CVE-2026-20340 Cisco Secure Firewall Management Center Software Deserialization Arbitrary Root Command Execution Vulnerability

A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execute arbitrary commands at the root privilege level. This vulnerability is due to unsecured deserialization of web-management user-controlled data. An attacker could exploit this vulnerability by...

CVE-2026-20340 Cisco Secure Firewall Management Center Software Deserialization Arbitrary Root Command Execution Vulnerability

A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execute arbitrary commands at the root privilege level. This vulnerability is due to unsecured deserialization of web-management user-controlled data. An attacker could exploit this vulnerability by...

EUVD-2026-81110

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an authenticated, remote attacker to obtain root privileges. This vulnerability is due to unsecured deserialization of untrusted data over the sftunnel management connection. An attacker...

CVE-2026-20341

CVE-2026-20341 is a critical deserialization flaw (CVSS 9.1) in the sftunnel inter-device communication protocol of Cisco Secure FMC Software . The root cause is unsecured deserialization of untrusted data over the sftunnel management connection. An authenticated remote attacker holding valid adm...

CVE-2026-20341 Cisco Secure Firewall Management Center Software sftunnel Deserialization Root Command Execution Vulnerability

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an authenticated, remote attacker to obtain root privileges. This vulnerability is due to unsecured deserialization of untrusted data over the sftunnel management connection. An attacker...

CVE-2026-20341 Cisco Secure Firewall Management Center Software sftunnel Deserialization Root Command Execution Vulnerability

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an authenticated, remote attacker to obtain root privileges. This vulnerability is due to unsecured deserialization of untrusted data over the sftunnel management connection. An attacker...

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-2026-20242 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...

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-2026-81099

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid high-privileged administrative credentials. This vulnerability is due to...

CVE-2026-20211 Cisco Identity Services Engine Remote Code Execution Vulnerability

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid high-privileged administrative credentials. This vulnerability is due to...

CVE-2026-20211 Cisco Identity Services Engine Remote Code Execution Vulnerability

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid high-privileged administrative credentials. This vulnerability is due to...

CVE-2026-20211

Cisco Identity Services Engine (ISE) is affected by a remote code execution vulnerability caused by insecure deserialization of Java objects . An authenticated attacker with high-privileged administrative credentials can send a crafted serialized Java object to gain user-level access to the under...

CVE-2026-20307

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative...

CVE-2026-20307 Cisco Identity Services Engine Remote Code Execution Vulnerability

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative...

CVE-2026-20307

CVE-2026-20307 affects the web-based management interface of Cisco ISE and stems from insecure deserialization of a user-supplied Java byte stream . An authenticated remote attacker with at least low-privileged administrative credentials can send a crafted serialized Java object to achieve arbitr...

EUVD-2026-80886

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative...

CVE-2026-20307 Cisco Identity Services Engine Remote Code Execution Vulnerability

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative...