Cisco IOS XR Software NETCONF Over Secure Shell ACL Bypass Vulnerability

A vulnerability in the access-control logic of the NETCONF over Secure Shell SSH of Cisco IOS XR Software may allow connections despite an access control list ACL that is configured to deny access to the NETCONF over SSH of an affected device. The vulnerability is due to a missing check in the...

Vulnerabilities in Kerberos 5 Implementation

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Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022

On September 27, 2022, the following vulnerabilities affecting Cisco products were disclosed by Cert/CC as part of VU855201, titled L2 network security controls can be bypassed using VLAN 0 stacking and/or 802.3 headers "https://kb.cert.org/vuls/id/855201": CVE-2021-27853: Layer 2 network filteri...

Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability

A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a denial of service DoS condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by...

Multiple Cisco Products Snort Modbus Denial of Service Vulnerability

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit th...

Cisco Firepower Threat Defense Software Command Injection Vulnerabilities

Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details "details" section of this advisory. Cisco has...

Cisco Security Manager Java Deserialization Vulnerability

A vulnerability in the Java deserialization function used by Cisco Security Manager could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An...

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 IOS XR Software BGP MPLS-Based EVPN Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP Multiprotocol Label Switching MPLS-based Ethernet VPN EVPN implementation of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to trigger a denial of service DoS condition on an affected device. The vulnerability is due to a...

Cisco IOS XE Software HTTP Denial of Service Vulnerability

A vulnerability in the web framework of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a buffer overflow condition on an affected device, resulting in a denial of service DoS condition. The vulnerability is due to the affected software improperly parsing malformed...

Cisco RV110W, RV130W, and RV215W Routers Management Interface Buffer Overflow Vulnerability

A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to cause a denial of service condition or to execute arbitrar...

Cisco NX-OS Software Authenticated Simple Network Management Protocol Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP input packet processor of Cisco NX-OS Software could allow an authenticated, remote attacker to cause the SNMP application on an affected device to restart unexpectedly. The vulnerability is due to improper validation of SNMP protocol...

OpenSSL Heartbeat Extension Vulnerability in Multiple Cisco Products

Multiple Cisco products incorporate a version of the OpenSSL package affected by a vulnerability that could allow an unauthenticated, remote attacker to retrieve memory in chunks of 64 kilobytes from a connected client or server. The vulnerability is due to a missing bounds check in the handling ...

Cisco WebEx Meetings Server Enterprise License Manager Administrative Password Disclosure Vulnerability

A vulnerability in the Cisco WebEx Meetings Server Enterprise License Manager web portal could allow an authenticated, remote attacker to view the administrative password for Cisco WebEx Meetings Server in clear text. The vulnerability is due to the inclusion of the Cisco WebEx Meetings Server...

Cisco Enterprise NFV Infrastructure Software Vulnerabilities

Multiple vulnerabilities in Cisco Enterprise NFV Infrastructure Software NFVIS could allow an attacker to escape from the guest virtual machine VM to the host machine, inject commands that execute at the root level, or leak system data from the host to the VM. For more information about these...

Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager IM & Presence Service could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. These vulnerabilities are due to improper validation of user-submitted...

Cisco IOS XE Software TrustSec Protected Access Credential Provisioning Denial of Service Vulnerability

A vulnerability in the Cisco TrustSec CTS Protected Access Credential PAC provisioning module of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is due to improper...

Cisco Finesse Request Processing Server-Side Request Forgery Vulnerability

A vulnerability in Cisco Finesse could allow an unauthenticated, remote attacker to bypass access controls and conduct a server-side request forgery SSRF attack on an affected system. The vulnerability exists because the affected system does not properly validate user-supplied input. An attacker...

Cisco NX-OS Software Network Time Protocol Denial of Service Vulnerability

A vulnerability in the Network Time Protocol NTP feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to excessive use of system resources when the affected device is logging a dr...

Cisco RV110W, RV130W, and RV215W Routers Management Interface Denial of Service Vulnerability

A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denia...

Cisco IP Phone 8800 Series Path Traversal Vulnerability

A vulnerability in the web-based management interface of Session Initiation Protocol SIP Software for Cisco IP Phone 8800 Series could allow an authenticated, remote attacker to write arbitrary files to the filesystem. The vulnerability is due to insufficient input validation and file-level...

Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities

Multiple vulnerabilities in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist because the affected software improperly validates Advance...

Cisco IOS XE Software Secure Boot Bypass Vulnerabilities

Multiple vulnerabilities in Cisco IOS XE Software could allow an authenticated, local attacker with level-15 privileges or an unauthenticated attacker with physical access to an affected device to execute persistent code at boot time and break the chain of trust. These vulnerabilities are due...

Cisco Adaptive Security Appliance Software Release 9.16.1 and Cisco Firepower Threat Defense Software Release 7.0.0 IPsec Denial of Service Vulnerability

A vulnerability in the software cryptography module of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker or an unauthenticated attacker in a man-in-the-middle position to cause an unexpected reload of the...

Cisco Application Services Engine Unauthorized Access Vulnerabilities

Multiple vulnerabilities in Cisco Application Services Engine could allow an unauthenticated, remote attacker to gain privileged access to host-level operations or to learn device-specific information, create diagnostic files, and make limited configuration changes. For more information about the...

Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Authentication Bypass Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to acquire a valid session token with administrator privileges, bypassing...

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 Industrial Network Director Remote Code Execution Vulnerability

A vulnerability in the software update feature of Cisco Industrial Network Director could allow an authenticated, remote attacker to execute arbitrary code. The vulnerability is due to improper validation of files uploaded to the affected application. An attacker could exploit this vulnerability ...

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 FXOS and NX-OS Software Cisco Fabric Services Denial of Service Vulnerability

A vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on the affected device. The vulnerability exists because the affected software insufficiently validates...

Cisco Unified Communications Manager Denial of Service Vulnerabilities

Cisco Unified Communications Manager formerly CallManager contains multiple denial of service DoS vulnerabilities that if exploited could cause an interruption to voice services. The Session Initiation Protocol SIP and Skinny Client Control Protocol SCCP services are affected by these...

Cisco IOS XE Software Web UI Command Injection Vulnerability

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the...

Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability

A vulnerability in Cisco Webex Meetings Desktop App for Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player for Windows, and Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL injection attack on an affected device. To exploit this...

Cisco Small Business RV132W and RV134W Routers Management Interface Remote Command Execution and Denial of Service Vulnerability

A vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly. The...

Cisco NX-OS Software Remote Management Memory Leak Denial of Service Vulnerability

A vulnerability in the Virtual Shell VSH session management for Cisco NX-OS Software could allow an authenticated, remote attacker to cause a VSH process to fail to delete upon termination. This can lead to a build-up of VSH processes that overtime can deplete system memory. When there is no syst...

Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Denial of Service Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to a...

Cisco Adaptive Security Appliance Software Web-Based Management Interface Privilege Escalation Vulnerability

A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance ASA Software could allow an authenticated, remote attacker to elevate privileges and execute administrative functions on an affected device. The vulnerability is due to insufficient authorization validation...

Cisco SD-WAN Solution Privilege Escalation Vulnerability

A vulnerability in the CLI of Cisco SD-WAN Solution could allow an authenticated, local attacker to elevate lower-level privileges to the root user on an affected device. The vulnerability is due to insufficient authorization enforcement. An attacker could exploit this vulnerability by...

Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Shell Escape Vulnerability

A vulnerability in a specific CLI command implementation of Cisco Nexus 9000 Series ACI Mode Switch Software could allow an authenticated, local attacker to escape a restricted shell on an affected device. The vulnerability is due to insufficient sanitization of user-supplied input when issuing 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 IOS and IOS XE Software DHCP Version 4 Relay Heap Overflow Denial of Service Vulnerability

A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists because the affected...

Cisco Firepower Threat Management Console Remote Command Execution Vulnerability

A vulnerability in Cisco Firepower Threat Management Console could allow an authenticated, remote attacker to execute arbitrary commands on a targeted system. The vulnerability exists because parameters sent to the web application are not properly validated. This may lead an authenticated web use...

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the Cisco Identity Services Engine ISE Infra Admin UI could allow an unauthenticated, remote attacker to perform a cross-site scripting XSS attack. The vulnerability is due to insufficient input validation of some parameters passed via HTTP GET or POST methods. An attacker coul...

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 Jabber Desktop and Mobile Client Software Vulnerabilities

Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system OS with elevated privileges or gain access to sensitive information. For more information about these...

Cisco Firepower Management Center Software and Firepower Threat Defense Software sftunnel Pass the Hash Vulnerability

A vulnerability in the sftunnel functionality of Cisco Firepower Management Center FMC Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to obtain the device registration hash. The vulnerability is due to insufficient sftunnel negotiation...

Cisco IOx Application Environment Denial of Service Vulnerability

A vulnerability in the IOx application environment of multiple Cisco platforms could allow an unauthenticated, remote attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a denial of service DoS condition. The vulnerability is due to a Transport Layer Security TLS...

Cisco Unified Computing System Fabric Interconnect root Privilege Escalation Vulnerability

A vulnerability in a specific CLI command within the local management local-mgmt context for Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to gain elevated privileges as the root user on an affected device. The vulnerability is due to extraneous subcommand...

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 Unified Intelligence Center Remote File Injection Vulnerability

A vulnerability in the dashboard gadget rendering of Cisco Unified Intelligence Center could allow an unauthenticated, remote attacker to obtain or manipulate sensitive information between a user’s browser and Cisco Unified Intelligence Center. The vulnerability is due to the lack of gadget...