Cisco Policy Suite OSGi Interface Unauthenticated Access Vulnerability

A vulnerability in the Open Systems Gateway initiative OSGi interface of Cisco Policy Suite could allow an unauthenticated, remote attacker to directly connect to the OSGi interface. The vulnerability is due to a lack of authentication. An attacker could exploit this vulnerability by directly...

Cisco IOS XE Software Switch Integrated Security Features IPv6 Denial of Service Vulnerability

A vulnerability in the Switch Integrated Security Features of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an interface queue wedge. The vulnerability is due to incorrect handling of crafted IPv6 packets. An attacker could exploit this vulnerability by sending...

Cisco IOS XE Software IOx Guest Shell Namespace Protection Vulnerability

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this...

Cisco HyperFlex Static SSL Key Vulnerability

A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A...

Cisco Adaptive Security Appliance Smart Tunnel Vulnerabilities

Multiple vulnerabilities in the smart tunnel functionality of Cisco Adaptive Security Appliance ASA could allow an authenticated, local attacker to elevate privileges to the root user or load a malicious library file while the tunnel is being established. For more information about these...

Cisco Small Business Series Switches Memory Corruption Vulnerability

A vulnerability in the Secure Sockets Layer SSL input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS...

Cisco SD-WAN Solution Command Injection Vulnerability

A vulnerability in the vManage web-based UI Web UI in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerabilit...

Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability

A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. A...

Cisco NX-OS Software Privilege Escalation Vulnerability

A vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to access sensitive data that could be used to elevate their privileges to administrator. The vulnerability is due to improper implementation of filesystem permissions. An attacker...

Cisco Jabber Client Framework Instant Message Cross-Site Scripting Vulnerability

A vulnerability in Cisco Jabber Client Framework JCF could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of an affected system. The vulnerability is due to insufficient validation of user-supplied input of an affected client. An attacker could...

Cisco Identity Services Engine Password Recovery Vulnerability

A vulnerability in the Admin Portal of Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to view saved passwords in plain text. The vulnerability is due to the incorrect inclusion of saved passwords when loading configuration pages in the Admin Portal. An attacker...

Cisco NX-OS Software Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition due to the device unexpectedly reloading. The vulnerability is due to incomplete input validation of the BGP update...

Cisco WebEx Browser Extension Remote Code Execution Vulnerability

A vulnerability in Cisco WebEx browser extensions could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx Meetings Server and Cisco WebEx Centers...

Cisco Expressway Series Cross-Site Request Forgery Vulnerabilities

Multiple vulnerabilities in the Cisco Expressway Series could allow an unauthenticated, remote attacker to conduct cross-site request forgery CSRF attacks, which could allow the attacker to perform arbitrary actions on an affected device. Note: Cisco Expressway Series refers to Cisco Expressway...

Vulnerabilities in OpenSSL Affecting Cisco Products: November 2022

On November 1, 2022, the OpenSSL Project announced the following vulnerabilities: CVE-2022-3602 - X.509 Email Address 4-byte Buffer Overflow CVE-2022-3786 - X.509 Email Address Variable Length Buffer Overflow For a description of these vulnerabilities, see OpenSSL Security Advisory Nov 1 2022...

Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability

A vulnerability in the DLL loading mechanism of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the VPN Posture HostScan Module is installed on the AnyConnect client. This vulnerability is...

Cisco AnyConnect Secure Mobility Client Profile Modification Vulnerability

A vulnerability in the interprocess communication IPC channel of Cisco AnyConnect Secure Mobility Client Software could allow an authenticated, local attacker to overwrite VPN profiles on an affected device. The vulnerability is due to insufficient validation of user-supplied input. An attacker...

Cisco IOS XE Software Stored Cross-Site Scripting Vulnerability

A vulnerability in the web framework code of Cisco IOS XE Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the web interface of the affected software. The vulnerability is due to insufficient input validation of some...

Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability

A vulnerability in the GZIP decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper validation of GZIP-formatted files. An attacke...

Cisco Webex Meetings Server Information Disclosure Vulnerability

A vulnerability in the web-based management interface of Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to access sensitive system information. The vulnerability is due to improper access control to files within the web-based management interface. An attacker could...

Cisco NX-OS Software Bash Bypass Guest Shell Vulnerability

A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to bypass the limited command set of the restricted Guest Shell and execute commands at the privilege level of a network-admin user outside of the Guest Shell. The attacker must...

Cisco IP Phone 7800 and 8800 Series Cisco Discovery Protocol and Link Layer Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol LLDP implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service DoS...

Cisco TelePresence Management Suite Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco TelePresence Management Suite TMS software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based management interface of an affected device. The vulnerability is d...

Cisco Prime Collaboration Provisioning Unauthorized Password Change Denial of Service Vulnerability

A vulnerability in the password change function of Cisco Prime Collaboration Provisioning could allow an authenticated, remote attacker to cause the system to become inoperable. The vulnerability is due to insufficient validation of a password change request. An attacker could exploit this...

Cisco SD-WAN Solution VPN Subsystem Command Injection Vulnerability

A vulnerability in the VPN subsystem configuration in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerabilit...

Cisco StarOS IPv4 Fragmentation Denial of Service Vulnerability

A vulnerability in the reassembly logic for fragmented IPv4 packets of Cisco StarOS running on virtual platforms could allow an unauthenticated, remote attacker to trigger a reload of the npusim process, resulting in a denial of service DoS condition. There are four instances of the npusim proces...

Cisco Adaptive Security Appliance Flow Creation Denial of Service Vulnerability

A vulnerability in the ingress flow creation functionality of Cisco Adaptive Security Appliance ASA could allow an unauthenticated, remote attacker to cause the CPU to increase upwards of 100 percent utilization, causing a denial of service DoS condition on an affected system. The vulnerability i...

Cisco IOS, IOS XE, and IOS XR Software SNMP Denial of Service Vulnerabilities

Multiple vulnerabilities in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. For more information about thes...

Cisco Unified Communications Products Remote Code Execution Vulnerability

A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, and Cisco Prime License Manager could allow an authenticated, remo...

Cisco Firepower Threat Defense Software HTTP Filtering Bypass Vulnerability

A vulnerability in the HTTP traffic filtering component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due t...

Action Recommended to Secure the Cisco Nexus PowerOn Auto Provisioning Feature

Cisco Nexus devices support an automatic provisioning or zero-touch deployment feature called PowerOn Auto Provisioning POAP. This feature assists in automating the initial deployment and configuration of Nexus switches. POAP is enabled by default and activates on devices that have no startup...

Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software image...

Cisco Adaptive Security Appliance Application Layer Protocol Inspection Denial of Service Vulnerabilities

Multiple vulnerabilities in the Application Layer Protocol Inspection feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of servi...

Cisco Firepower Detection Engine SSL Decryption Memory Consumption Denial of Service Vulnerability

A vulnerability in SSL traffic decryption for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause depletion of system memory. If this memory leak persists over time, a denial of service DoS condition could develop because traffic can cease to be...

Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

On August 5, 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 Catalyst SD-WAN Software Security Hardening Release: August 2026...

Cisco Identity Services Engine File Download Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an authenticated, remote attacker with administrative read-only privileges to download files that should be restricted. This vulnerability is due to incorrect permissions settings on an affecte...

Cisco Small Business RV Series Routers Link Layer Discovery Protocol Vulnerabilities

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would...

Cisco Unified Communications Products Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager Unified CM, Cisco Unified Communications Manager IM & Presence Service Unified CM IM&P, Cisco Unified Communications Manager Session Management Edition Unified CM SME, and Cisco Unity Connection...

Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability

A vulnerability in the protocol detection component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to...

Cisco Data Center Network Manager Information Disclosure Vulnerability

A vulnerability in the web-based management interface of Cisco Data Center Network Manager DCNM could allow an unauthenticated, remote attacker to retrieve sensitive information from an affected device. The vulnerability is due to improper access controls for certain URLs on affected DCNM softwar...

Cisco Prime Service Catalog Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Prime Service Catalog could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based interface. The vulnerability is due to insufficient validation of user-supplied input by...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Transparent Mode Denial of Service Vulnerability

A vulnerability in the TCP Normalizer of Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software operating in transparent mode could allow an unauthenticated, remote attacker to poison MAC address tables, resulting in a denial of service DoS vulnerability. This...

Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability

A vulnerability in the ISDN functions of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of specific values in the Q.931 information elements. An attacker could exploit thi...

Cisco SPA112, SPA525, and SPA5x5 Series IP Phones Certificate Validation Vulnerability

A vulnerability in the certificate handling component of the Cisco SPA112, SPA525, and SPA5X5 Series IP Phones could allow an unauthenticated, remote attacker to listen to or control some aspects of a Transport Level Security TLS-encrypted Session Initiation Protocol SIP conversation. The...

Cisco Data Center Network Manager Path Traversal Vulnerability

A vulnerability in Cisco Data Center Network Manager software could allow an authenticated, remote attacker to conduct directory traversal attacks and gain access to sensitive files on the targeted system. The vulnerability is due to improper validation of user requests within the management...

Cisco Policy Suite Cluster Manager Default Password Vulnerability

A vulnerability in the Cluster Manager of Cisco Policy Suite could allow an unauthenticated, remote attacker to log in to an affected system using the root account, which has default, static user credentials. The vulnerability is due to the presence of undocumented, static user credentials for th...

Cisco Unity Connection Mail Relay Vulnerability

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote attacker could exploit this...

Vulnerabilities in H.323 Message Processing

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Cisco RoomOS Security Hardening Release: July 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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 Access Point Software Denial of Service Vulnerability

A vulnerability in the management CLI of Cisco access point AP software could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could...