CVE-2019-12652

A vulnerability in the ingress packet processing function of Cisco IOS Software for Cisco Catalyst 4000 Series Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper resource allocation when...

Cisco Catalyst 4000 Series Switches Dynamic ACL Bypass Vulnerability

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

Cisco IOS XE VSS / BDF Traffic DoS (CSCug41049 / CSCue61890)

The remote Cisco device is affected by a denial of service vulnerability in its packet driver code when handling Virtual Switching Systems VSS or Bidirectional Forwarding Detection BFD traffic. An unauthenticated, adjacent attacker can exploit this to cause a device reload. Note that this issue...