The vulnerability of Cisco IOS XE and Cisco IOS network devices from the Cisco Catalyst 4500 series and Cisco Catalyst 4500-X series lies in their lack of exception handling capabilities. This allows attackers to trigger a system reboot, cause an unexpected termination of an application, or induce a service failure.

The vulnerability of Cisco IOS and Cisco IOS XE software for Cisco Catalyst 4500 and Cisco Catalyst 4500-X network devices is related to exception handling flaws. Exploiting this vulnerability can allow an attacker to trigger a device reboot, a failed termination of the application, or a service...

CVE-2021-1451

The CVE-2021-1451 issue affects Cisco IOS XE Software Easy Virtual Switching System (VSS) on Cisco Catalyst 4500/4500-X switches. The root cause is improper boundary checks in Easy VSS protocol packets, allowing an unauthenticated, remote attacker to send crafted packets to UDP port 5500 while th...

CVE-2018-0155

A vulnerability in the Bidirectional Forwarding Detection BFD offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service DoS condition. Th...

CVE-2018-0155

A vulnerability in the Bidirectional Forwarding Detection BFD offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service DoS condition. Th...