Cisco Aggregate Services Router 9000 ASR9K Security Bypass Vulnerability

A vulnerability in the Object-ACL matching process of Cisco Aggregation Services Router 9000 ASR9K could allow an unauthenticated, remote attacker to bypass the protection offered by a configured access control list ACL on an affected device. The vulnerability is due to ASR9K incorrectly handling...

Cisco NX-OS Software DHCP Options Command Injection Vulnerability

A vulnerability in DHCP code used with PowerOn Auto Provisioning POAP of Cisco NX-OS could allow an unauthenticated, adjacent attacker to inject arbitrary commands into the Cisco NX-OS device. The vulnerability is due to insufficient input validation of the DHCP options returned as a result of...

Cisco WebEx Meetings Server Command Injection Vulnerability

A vulnerability in the administrative web interface of Cisco WebEx Meetings Server could allow an authenticated, remote attacker to execute arbitrary commands on the affected system and on the devices managed by the affected system. The vulnerability is due to improper user input validation. An...

Cisco WebEx Meetings Server Information Disclosure Vulnerability

A vulnerability in the file URI scheme of Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to access sensitive information. The vulnerability is due to inclusion of sensitive information in URLs. An attacker could exploit the vulnerability by viewing application URL...

Cisco IronPort ESA Subject Header Length Denial of Service Vulnerability

A vulnerability in Subject header length processing on Cisco IronPort Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause a limited denial of service DoS condition on an affected platform. The vulnerability occurs because the appliance does not limit the length o...

Cisco IOS XE Software Autonomic Networking Infrastructure Certificate Validation Vulnerability

A vulnerability in certificate validation for Autonomic Networking Infrastructure ANI of Cisco IOS XE Software could allow an unauthenticated, remote attacker to masquerade as another device. The vulnerability is due to incomplete certificate validation. An attacker could exploit this vulnerabili...

Cisco Small Business SPA300 and SPA500 Series IP Phones Cross-Site Scripting Vulnerability

A vulnerability in the web user interface of the Cisco Small Business SPA300 and SPA500 Series IP Phones could allow an unauthenticated, remote attacker to execute a cross-site scripting XSS attack. The vulnerability is due to insufficient validation of user-supplied input. An attacker could...

Cisco Adaptive Security Appliance Software WebVPN Information Disclosure Vulnerability

A vulnerability in the WebVPN portal of Cisco Adaptive Security Appliance ASA could allow an authenticated, remote attacker to view sensitive information from the affected system. The vulnerability is due to improper input validation in the WebVPN portal. An attacker could exploit this...

Cisco Broadcast Access Center for Telco and Wireless Cross-Site Request Forgery Vulnerability

A vulnerability in the web framework of the Cisco Broadcast Access Center for Telco and Wireless BAC-TW could allow an unauthenticated, remote attacker to perform a cross-site request forgery CSRF attack against the Cisco BAC-TW web interface. The vulnerability is due to insufficient CSRF...

Cisco Unified Communications Manager CDR Management Vulnerability

A vulnerability in Call Detail Records CDR Management of Cisco Unified Communications Manager Cisco Unified CM could allow an authenticated, remote attacker to acquire sensitive information. The vulnerability is due to extraneous information included in the web page. An attacker could exploit thi...

Cisco Adaptive Security Appliance Software SIP Inspection Memory Leak Vulnerability

A vulnerability in the Session Initiation Protocol SIP inspection engine code could allow an unauthenticated, remote attacker to cause a slow memory leak, which may cause instability on the affected system. The vulnerability is due to improper handling of SIP packets inspected by the Cisco Adapti...

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability

A vulnerability in the Session Initiation Protocol SIP implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device. To exploit this vulnerability, affected devices must be configured to process SIP messages...

Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers

Cisco IOS XE Software for 1000 Series Aggregation Services Routers ASR contains the following denial of service DoS vulnerabilities: Cisco IOS XE Software Malformed ICMP Packet Denial of Service Vulnerability Cisco IOS XE Software PPTP Traffic Denial of Service Vulnerability Cisco IOS XE Software...

Cisco IOS Software OSPF Opaque LSA Denial of Service Vulnerability

A vulnerability in the OSPF implementation of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a reload of the affected device. The vulnerability is due to improper parsing of certain options in OSPF link-state advertisement LSA type 11...

Cisco Prime Central for HCS Portal Credentials Access Vulnerability

A vulnerability in Cisco Prime Central for HCS portal could allow an authenticated, local attacker to retrieve the credentials for accounts. The vulnerability is due to plaintext logging of credentials to temporary files with inadequate permissions. An attacker could exploit this vulnerability by...

Cisco IOS XR Software CGSE and ISM Vulnerability

A vulnerability in Point-to-Point Tunneling Protocol-Application Level Gateway PPTP-ALG of the Cisco CRS Carrier Grade Services Engine CGSE and Cisco ASR 9000 Series Integrated Service Module ISM could allow an unauthenticated, remote attacker to cause the service interface module to reset. The...

Cisco Unified Computing System Fabric Interconnect Denial of Service Vulnerability

A vulnerability in Smart Call Home functionality in the fabric interconnect FI of Cisco Unified Computing System could allow an unauthenticated, remote attacker to create a denial of service DoS condition. The vulnerability is due to a buffer overflow in the Smart Call Home function. An attacker...

Cisco Unified Computing System Baseboard Management Controller Privilege Escalation Vulnerability

A vulnerability in the Baseboard Management Controller BMC of Cisco Unified Computing System could allow an authenticated, remote attacker to access services with elevated privileges. The vulnerability is due to improper filtering of SSH escape sequences. An attacker could exploit this...

Cisco SocialMiner Cross-Site Scripting Vulnerability

A vulnerability in the bookmarklet.jsp page of Cisco SocialMiner could allow an unauthenticated, remote attacker to send a malicious script to an unsuspecting user. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by convincing the user of th...

Cisco Secure Access Control System TACACS+ Authentication Bypass Vulnerability

Cisco Secure Access Control System ACS contains a vulnerability that could allow an unauthenticated, remote attacker to bypass TACACS+ based authentication service offered by the affected product. The vulnerability is due to improper validation of the user-supplied password when TACACS+ is the...

Multiple Vulnerabilities in Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module

Cisco ASA 5500 Series Adaptive Security Appliances ASA and Cisco Catalyst 6500 Series ASA Services Module ASASM may be affected by the following vulnerabilities: DHCP Memory Allocation Denial of Service Vulnerability SSL VPN Authentication Denial of Service Vulnerability SIP Inspection Media Upda...

Cisco ASA 5500 Series Adaptive Security Appliance Cut-Through Proxy Authentication Information Disclosure Vulnerability

Cisco ASA 5500 Series Adaptive Security Appliance firmware contains a vulnerability that could allow an unauthenticated, remote attacker to access sensitive information on a targeted system. The vulnerability is due to improper proxy authentication during attempts to cut through a targeted system...

Cisco Unified MeetingPlace Directory Enumeration Information Disclosure Vulnerability

Cisco Unified MeetingPlace software contains a vulnerability that could allow an unauthenticated, remote attacker to access sensitive information on a targeted system. The vulnerability is due to an unspecified error in the affected software that could allow an attacker to enumerate existing...

Cisco IOS MPLS VPN May Leak Information

Devices running Cisco IOS versions 12.0S, 12.2, 12.3 or 12.4 and configured for Multiprotocol Label Switching MPLS Virtual Private Networks VPNs or VPN Routing and Forwarding Lite VRF Lite and using Border Gateway Protocol BGP between Customer Edge CE and Provider Edge PE devices may permit...

Cisco Unified IP Phone Overflow and Denial of Service Vulnerabilities

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Cisco IOS Secure Copy Authorization Bypass Vulnerability

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Vulnerability In Crypto Library

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Cisco Catalyst 6000, 6500 Series and Cisco 7600 Series NAM (Network Analysis Module) Vulnerability

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Cisco Intrusion Prevention System Malformed Packet Denial of Service

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TACACS+ Authentication Bypass in Cisco Anomaly Detection and Mitigation Products

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES TH...

Continued Evolution of Persistence Mechanism Against Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense

On April 23, 2026, the U.S. Cybersecurity and Infrastructure Security Agency CISA issued an update to V1: Emergency Directive ED 25-03: Identify and Mitigate Potential Compromise of Cisco Devices...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software Remote Access SSL VPN Authentication Targeted Denial of Service Vulnerability

A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to deny further VPN user authentications for several...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software IKEv2 VPN Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol for VPN termination of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Cisco Application Policy Infrastructure Controller Unauthorized Policy Actions Vulnerability

A vulnerability in the restricted security domain implementation of Cisco Application Policy Infrastructure Controller APIC could allow an authenticated, remote attacker to modify the behavior of default system policies, such as quality of service QoS policies, on an affected system. This...

Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Vulnerabilities

Multiple vulnerabilities in Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause a denial of service DoS condition, gain unauthorized access, or view sensitive information on an affected system. For more information about these vulnerabilities, see the Details "details...

Cisco IOS XE Software NETCONF/RESTCONF IPv4 Access Control List Bypass Vulnerability

A vulnerability in the data model interface DMI services of Cisco IOS XE Software could allow an unauthenticated, remote attacker to access resources that should have been protected by a configured IPv4 access control list ACL. This vulnerability is due to improper handling of error conditions wh...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software ACLs Not Installed upon Reload

An issue with the boot-time programming of access control lists ACLs for Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow a device to boot without all of its ACLs being correctly installed. This issue is due to a logic error that occurs when ACL...

Cisco Duo Two-Factor Authentication for macOS Authentication Bypass Vulnerability

A vulnerability in Cisco Duo Two-Factor Authentication for macOS could allow an authenticated, physical attacker to bypass secondary authentication and access an affected macOS device. This vulnerability is due to the incorrect handling of responses from Cisco Duo when the application is configur...

Cisco Secure Network Analytics Remote Code Execution Vulnerability

A vulnerability in Cisco Secure Network Analytics could allow an authenticated, remote attacker to execute arbitrary code as a root user on an affected device. This vulnerability is due to insufficient validation of user input to the web interface. An attacker could exploit this vulnerability by...

Cisco SD-WAN Software Arbitrary File Corruption Vulnerability

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to overwrite and possibly corrupt files on an affected system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary commands...

Cisco Nexus Dashboard Arbitrary File Write Vulnerability

A vulnerability in Cisco Nexus Dashboard could allow an authenticated, remote attacker to write arbitrary files on an affected device. This vulnerability is due to insufficient input validation in the web-based management interface of Cisco Nexus Dashboard. An attacker with Administrator...

Cisco Unified Communications Products Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Unified Communications Manager Unified CM, Cisco Unified CM Session Management Edition Unified CM SME, and Cisco Unified Communications Manager IM & Presence Service Unified CM IM&P could allow an unauthenticated, remote attacker to...

Cisco Prime Infrastructure and Evolved Programmable Network Manager Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Prime Infrastructure PI and Cisco Evolved Programmable Network Manager EPNM could allow an attacker to conduct a path traversal attack on an affected device or conduct a cross-site scripting XSS attack against a user of the...

Cisco Firepower Management Center Software Cross-Site Scripting and Open Redirect Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an attacker to execute a cross-site scripting XSS attack or an open redirect attack. For more information about these vulnerabilities, see the Details "details" section of...

Cisco IoT Field Network Director Improper Access Control Vulnerability

A vulnerability in the access control functionality of Cisco IoT Field Network Director FND could allow an authenticated, remote attacker to view lists of users from different domains that are configured on an affected system. The vulnerability is due to improper access control. An attacker could...

Cisco IoT Field Network Director Improper Domain Access Control Vulnerability

A vulnerability in the user management functionality of Cisco IoT Field Network Director FND could allow an authenticated, remote attacker to manage user information for users in different domains on an affected system. The vulnerability is due to improper domain access control. An attacker could...

Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface. These vulnerabilities are due to insufficient validation o...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services File Upload Denial of Service Vulnerability

Update from October 22nd, 2020: Cisco has become aware of a new Cisco Adaptive Security Appliance vulnerability that could affect the fixed releases recommended for code trains 9.13 and 9.14 in the Fixed Software "fs" section of this advisory. See the Cisco Adaptive Security Appliance Software...

Cisco Video Surveillance 8000 Series IP Cameras Cisco Discovery Protocol Memory Leak Vulnerability

A vulnerability in the Cisco Discovery Protocol of Cisco Video Surveillance 8000 Series IP Cameras could allow an unauthenticated, adjacent attacker to cause a memory leak, which could lead to a denial of service DoS condition on an affected device. The vulnerability is due to incorrect processin...

Cisco Data Center Network Manager Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Data Center Network Manager DCNM Software could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface. The vulnerability exists because the web-based management interface...