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 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 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 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...

Cisco Secure Firewall Management Center Software Vulnerabilities

Multiple vulnerabilities in Cisco Secure Firewall Management Center FMC Software could allow a remote attacker to gain root access, download sensitive files, perform a SQL injection attack, or cause a denial of service DoS condition. For more information about these vulnerabilities, see the Detai...

Cisco Identity Services Engine Remote Code Execution Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit these vulnerabilities, the attacker must have valid administrative credentials. For more...

Cisco Identity Services Engine Multiple Path Traversal Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow a remote attacker to conduct path traversal attacks on an affected device. For more information about these vulnerabilities, see the Details "details" section of this...

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 Identity Services Engine RADIUS Denial of Service Vulnerability

A vulnerability in the RADIUS feature of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this...

Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability

A vulnerability in the web-based management interface of Cisco BroadWorks CommPilot Application Software could allow an authenticated, remote attacker with low privileges to alter configurations on an affected device. This vulnerability is due to missing authorization checks. An attacker could...

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

A vulnerability in the system rate-limiting process for syslog message 419002 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 high CPU utilization on an affected device...

Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability

A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands. This vulnerability is due to improper validation of user-supplied input to the web-based management interface...

Cisco Secure Firewall Management Center Software sftunnel Root Arbitrary Code Execution 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...

Cisco Identity Services Engine Authenticated Remote Code Execution and API Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to conduct SQL injections, modify data, or execute arbitrary commands on the underlying operating system on an affected device. For more information about these vulnerabilities, see the...

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities

Multiple vulnerabilities in Cisco Secure Firewall Management Center FMC Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated attacker to perform an sftunnel authentication bypass or sftunnel denial of service DoS attack. For more information about these...

Cisco Identity Services Engine SQL Injection Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow a remote attacker to conduct SQL injection attacks on an affected device. For more information about these vulnerabilities, see the Details "details" section of this advisory. Cisco has released software updates that addre...

Cisco Identity Services Engine Hardening Release: September 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC engineering teams have conducted a comprehensive internal security review. This review resulted in software hardening releases...

Cisco Identity Services Engine Authentication Bypass Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow a remote attacker to access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. For more information...

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting XSS attack against a user of the interface. This vulnerability exists because the web-based management interface...

Cisco Identity Services Engine Authorization Bypass Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. These vulnerabilities are due to the lack...

Cisco Secure Firewall Management Center Software Vulnerabilities

Multiple vulnerabilities in Cisco Secure Firewall Management Center FMC Software could allow a remote attacker to gain root access and perform session forgery or session impersonation. For more information about these vulnerabilities, see the Details "details" section of this advisory. Cisco has...

Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability

A vulnerability in the TLS 1.3 implementation in Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper buffer...

Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability

A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...

Cisco Nexus Dashboard Software Security Hardening Release: September 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Thes...

Cisco Identity Services Engine Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow a remote attacker to bypass authentication to the REST API, achieve remote code execution, perform SQL injection, and conduct XML External Entity injection attacks on an...

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

A vulnerability in the DNS over TCP 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 cause the TCP DNS response handler to unexpectedly restart, causing the...

Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: September 2026

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

Cisco Identity Services Engine Information Disclosure Vulnerability

A vulnerability in the API of Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to view sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient...

Cisco Identity Services Engine Command Injection Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow an authenticated, remote attacker to perform command injection attacks on an affected device and execute arbitrary commands as the root user. To exploit these vulnerabilitie...

Cisco Identity Services Engine SQL and HQL Injection Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE and Cisco ISE Passive Identity Connector ISE-PIC could allow an authenticated, remote attacker to conduct SQL or HQL injection attacks on an affected device. These vulnerabilities are due to insufficient validation of user-supplied...

Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an unauthenticated, local attacker to either conduct an authentication bypass or disclose sensitive information. For more information about these vulnerabilities, see the Details "details" section of this advisory. Cisco h...

Cisco Identity Services Engine Authentication Bypass Vulnerability

A vulnerability in an API of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request ...

Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

Cisco Secure Email Gateway SQL Injection Vulnerability

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email...

Cisco Advance Notification for Publication of September 16, 2026, Security Advisories

On September 16, 2026, the Cisco Product Security Incident Response Team PSIRT published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more...

Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

Cisco Nexus 9000 Series Switches Silicon One Remote Code Execution Vulnerability

A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges. This vulnerability exists because TCP ports 43210 and 43211 are accessible in the default Layer 3 L3 virtual routing and...

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability

A vulnerability in Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 that are running Cisco Session Initiation Protocol SIP Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This...

Cisco Secure Email Secure/Multipurpose Internet Mail Extensions Ciphertext Decryption Vulnerabilities

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

Cisco IOS XR Software Security Hardening Release: September 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Thes...

Cisco Advance Notification for Publication of September 2, 2026, Security Advisories

On September 2, 2026, the Cisco Product Security Incident Response Team PSIRT published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco IOS XR Software Security Hardening Release: September 2026...

Cisco RoomOS Stack Overflow Vulnerability

A vulnerability in the USB driver of Cisco RoomOS could allow an unauthenticated, local attacker with physical access to the USB port on an affected device to execute arbitrary code with root privileges. This vulnerability is due to insufficient boundary checks for specific data that is provided...

Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability

A vulnerability in the Open Client Interface OCI XML Parser of Cisco BroadWorks could allow an unauthenticated, remote attacker to read sensitive configuration information on an affected system. This vulnerability exists because XML entries are improperly parsed due to external entity resolution...

Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Server-Side Request Forgery Vulnerability

A vulnerability in Cisco Packaged Contact Center Enterprise Packaged CCE and Cisco Unified Contact Center Enterprise Unified CCE could allow an authenticated, remote attacker to conduct server-side request forgery SSRF attacks through an affected device. This vulnerability is due to improper inpu...

Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Industrial Ethernet IE 1000 Series Switches could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface. This vulnerability is due to insufficient validation of...

Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability

A vulnerability in the handling of management plane packets by Cisco Industrial Ethernet IE 1000 Series Switches could allow an unauthenticated, remote attacker to cause the device manager, SSH, or API to become inaccessible. This vulnerability is due to insufficient protection against management...

Cisco Secure Workload Software Security Hardening Release: August 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Thes...

Cisco Crosswork Security Hardening Release: August 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. These...

Cisco Unified Intelligence Center SQL Injection Vulnerability

A vulnerability in the web-based management interface of Cisco Unified Intelligence Center could allow an authenticated, local attacker to perform a blind SQL injection attack against an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker coul...

Cisco Advance Notification for Publication of August 19, 2026, Security Advisories

On August 19, 2026, the Cisco Product Security Incident Response Team PSIRT published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco Crosswork Security Hardening Release: August 2026...