5259 matches found
Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability
A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames on...
Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability
A vulnerability in the Common Open Policy Service COPS engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this...
Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities
Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...
Cisco IOS XE Software Arbitrary Code Execution Vulnerability
A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to execute persistent code at boot time and break the chain of trust. This vulnerability is due to incorrect validations by boot scripts when specific ROM monitor ROMMON variables are set. An attacker could...
Cisco IOS XE Software IOx Application Hosting Privilege Escalation Vulnerability
A vulnerability in the application-hosting subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to root on an affected device. The attacker could execute IOS XE commands outside the application-hosting subsystem Docker container as well as on the...
Cisco IOS XE ROM Monitor Software Vulnerability
A vulnerability in the Cisco IOS XE ROM Monitor ROMMON Software for Cisco 4000 Series Integrated Services Routers, Cisco ASR 920 Series Aggregation Services Routers, Cisco ASR 1000 Series Aggregation Services Routers, and Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated,...
Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability
A vulnerability in the PROFINET feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to crash and reload, resulting in a denial of service DoS condition on the device. The vulnerability is due to insufficient...
Cisco IOS XE Software for Cisco ASR 1000 Series 20-Gbps Embedded Services Processor IP ARP Denial of Service Vulnerability
A vulnerability in the IP Address Resolution Protocol ARP feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers with a 20-Gbps Embedded Services Processor ESP installed could allow an unauthenticated, adjacent attacker to cause an affected device to reload,...
Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability
A vulnerability in the RESTCONF and NETCONF-YANG access control list ACL function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG featur...
Cisco IOS and IOS XE Software MP-BGP EVPN Denial of Service Vulnerability
A vulnerability in the implementation of Multiprotocol Border Gateway Protocol MP-BGP for the Layer 2 VPN L2VPN Ethernet VPN EVPN address family in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The...
Cisco IOS XE Software for Cisco ASR 900 Series Route Switch Processor 3 Arbitrary Code Execution Vulnerabilities
Multiple vulnerabilities in the initialization routines that are executed during bootup of Cisco IOS XE Software for Cisco ASR 900 Series Aggregation Services Routers with a Route Switch Processor 3 RSP3 installed could allow an authenticated, local attacker with high privileges to execute...
Cisco IOS XE Software IP Service Level Agreements Denial of Service Vulnerability
A vulnerability in the IP Service Level Agreement SLA responder feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the IP SLA responder to reuse an existing port, resulting in a denial of service DoS condition. The vulnerability exists because the IP SLA...
Cisco IOS XE Software for Catalyst 9200 Series Switches Umbrella Connector Denial of Service Vulnerability
A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient erro...
Cisco IOS XE Software Arbitrary File Overwrite Vulnerability
A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The vulnerability is due to insufficient validation of the parameters of a specific CLI command. A...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability
A vulnerability in Simple Network Management Protocol SNMP trap generation for wireless clients of the Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause the device to unexpectedly reload, causing a denial of...
Cisco IOS XE Software Web UI Authorization Bypass Vulnerability
A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to utilize parts of the web UI for which they are not authorized. The vulnerability is due to insufficient authorization of web UI access requests. An attacker could exploit this...
Cisco Catalyst 9200 Series Switches Jumbo Frame Denial of Service Vulnerability
A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger...
Cisco IOS and IOS XE Software Information Disclosure Vulnerability
A vulnerability in the CLI parser of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to access files from the flash: filesystem. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker...
Cisco IOS XE Software Guest Shell Unauthorized File System Access Vulnerability
A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated, local attacker to obtain read and write access to critical configuration or system files. The vulnerability is due to insufficient file system permissions on an affected device. An attacker could...
Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability
A vulnerability in the multicast DNS mDNS feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to improper validation of mDNS packets. An attacker...
Cisco IOS XE Software Web Management Framework Vulnerabilities
Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to gain unauthorized read access to sensitive data or cause the web management software to hang or crash, resulting in a denial of service DoS...
Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability
A vulnerability in the implementation of the Low Power, Wide Area LPWA subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Industrial ISRs and Cisco 1000 Series Connected Grid Routers CGR1000 could allow an unauthenticated, remote attacker to gain...
Cisco IOS and IOS XE Software ISDN Q.931 Denial of Service Vulnerability
A vulnerability in the ISDN subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is due to insufficient input validation when the ISDN...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerabilities
Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...
Cisco IOS XE Software Arbitrary Code Execution Vulnerability
A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on the underlying Linux operating system OS of an affected device. The vulnerability is due to...
Cisco IOS XE Software IOx Guest Shell USB SSD Namespace Protection Privilege Escalation Vulnerability
A vulnerability in the file system on the pluggable USB 3.0 Solid State Drive SSD for Cisco IOS XE Software could allow an authenticated, physical attacker to remove the USB 3.0 SSD and modify sensitive areas of the file system, including the namespace container protections. The vulnerability...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability
A vulnerability in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition of an affected device. The...
Cisco IOS XE Software Consent Token Bypass Vulnerability
A vulnerability in the persistent Telnet/Secure Shell SSH CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system OS with root privileges. The vulnerability is due to insufficient...
Cisco IOS XE Software Command Injection Vulnerability
A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to inject a command to the underlying operating system that will execute with root privileges upon the next reboot of the device. The authenticated user must have privileged EXEC permissions on the...
Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability
A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points APs Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this...
Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers DHCP Denial of Service Vulnerability
A vulnerability in the DHCP message handler of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the supervisor to crash, which could result in a denial of service DoS condition. The vulnerability is due to insufficient erro...
Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability
A vulnerability in Cisco Aironet Access Point AP Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WLAN Local Profiling Denial of Service Vulnerability
A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to incorrect parsing of...
Cisco IOS and IOS XE Software Split DNS Denial of Service Vulnerability
A vulnerability in the Split DNS feature 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 occurs because the regular expression regex engine that...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family Improper Access Control Vulnerability
A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being placed into RUN state. The vulnerability is due to an incomplete access control list ACL being...
Cisco IOS and IOS XE Software PROFINET Link Layer Discovery Protocol Denial of Service Vulnerability
A vulnerability in the PROFINET handler for Link Layer Discovery Protocol LLDP messages of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a crash on an affected device, resulting in a denial of service DoS condition. The vulnerability is du...
Cisco IOS XE Software for Catalyst 9800 Series and Cisco AireOS Software for Cisco WLC Flexible NetFlow Version 9 Denial of Service Vulnerability
A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers and Cisco AireOS Software for Cisco Wireless LAN Controllers WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS conditi...
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WPA Denial of Service Vulnerability
A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause denial of service DoS condition on an affected device. The vulnerability is due to incorrect pack...
Cisco IOS XE Software for Cisco 4461 Integrated Services Routers Denial of Service Vulnerability
A vulnerability in the packet processing of Cisco IOS XE Software for Cisco 4461 Integrated Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability is due to incorrect processing of...
Cisco IOS XE Software Privilege Escalation Vulnerabilities
Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to elevate privileges to the level of an Administrator user on an affected device. For more information about these vulnerabilities, see the...
Cisco Aironet Access Points UDP Flooding Denial of Service Vulnerability
A vulnerability in Cisco Aironet Access Points APs could allow an unauthenticated, remote attacker to cause a denial of service DoS on an affected device. The vulnerability is due to improper resource management while processing specific packets. An attacker could exploit this vulnerability by...
Cisco IOS XE Software Web UI Improper Input Validation Vulnerability
A vulnerability in the web server authentication of Cisco IOS XE Software could allow an authenticated, remote attacker to crash the web server on the device. The vulnerability is due to insufficient input validation during authentication. An attacker could exploit this vulnerability by entering...
Cisco Email Security Appliance Denial of Service Vulnerability
A vulnerability in the Transport Layer Security TLS protocol implementation of Cisco AsyncOS software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause high CPU usage on an affected device, resulting in a denial of service DoS condition. The...
Cisco Email Security Appliance Information Disclosure Vulnerability
A vulnerability in the web-based management interface of Cisco AsyncOS software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to insufficient validation of requests that are se...
Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability
A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this...
Cisco Jabber for Windows Universal Naming Convention Link Handling Vulnerability
A vulnerability in Cisco Jabber for Windows software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages that...
Cisco Content Security Management Appliance and Cisco Web Security Appliance Information Disclosure Vulnerability
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance SMA and Cisco Web Security Appliance WSA could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists...
Cisco Webex Training Unauthorized Meeting Join Vulnerability
A vulnerability in Cisco Webex Training could allow an authenticated, remote attacker to join a password-protected meeting without providing the meeting password. The vulnerability is due to improper validation of input to API requests that are a part of meeting join flow. An attacker could explo...
Cisco Enterprise NFV Infrastructure Software Path Traversal Vulnerability
A vulnerability in the directory permissions of Cisco Enterprise NFV Infrastructure Software NFVIS could allow an authenticated, remote attacker to perform a directory traversal attack on a limited set of restricted directories. The vulnerability is due to a flaw in the logic that governs directo...
Cisco Jabber for Windows Information Disclosure Vulnerability
A vulnerability in Cisco Jabber software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages to a targeted...