Design/Logic Flaw

A vulnerability in the Fibre Channel over Ethernet FCoE protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition when an FCoE-related process unexpectedly reloads. This vulnerability affects Cisco NX-OS Software o...

CVE-2017-6655

A vulnerability in the Fibre Channel over Ethernet FCoE protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition when an FCoE-related process unexpectedly reloads. This vulnerability affects Cisco NX-OS Software o...

Denial of service

A Denial of Service vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is...

CVE-2017-3879

A Denial of Service vulnerability in the remote login functionality for Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to...

CVE-2017-3879

CVE-2017-3879 affects Cisco Nexus 9000 Series Switches running NX-OS where remote login (Telnet/SSH) handling can terminate the login process due to improper handling of failed authentication. This results in a Denial of Service on the login subsystem, with no impact to in-flight user traffic. Af...

CVE-2017-3879

A Denial of Service vulnerability in the remote login functionality for Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to...

Cisco Nexus 9000 Series Switches Telnet Login Denial of Service Vulnerability (cisco-sa-20170315-nss)

A vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user...

Cisco Nexus 9000 Series Switches Remote Login Denial of Service Vulnerability

A vulnerability in the remote login functionality for Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user traffic...

Cisco Nexus 9000 Series Switches Telnet Login Denial of Service Vulnerability

A vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user...

Cisco Patches Critical Bug In Video Conferencing Server Hardware

On Wednesday Cisco Systems patched a critical vulnerability found in its Cisco Meeting Server hardware, a key component in its enterprise audio, web and video conferencing service. The flaw, according to a Cisco Security Advisory, could allow an unauthenticated remote attacker to masquerade as a...

Cisco NX-OS Software TCP Netstack Denial of Service Vulnerability (cisco-sa-20160302-netstack)

A vulnerability in the TCP stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. Copyright C 2016 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective...

Cisco Nexus 3000 Series and 3500 Platform Switches Insecure Default Credentials Vulnerability (cisco-sa-20160302-n3k)

A vulnerability in Cisco NX-OS Software running on Cisco Nexus 3000 Series Switches and Cisco Nexus 3500 Platform Switches could allow an unauthenticated, remote attacker to log in to the device with the privileges of the root user with bash shell access. Copyright C 2016 Greenbone Networks GmbH...

Cisco NX-OS Software TCP Netstack Denial of Service Vulnerability

4A vulnerability in the TCP stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to improper processing of certain TCP packets in the closing sequence of a TCP session while the affected device is in a...

Cisco Nexus Devices Python Subsystem Local Privilege Escalation Vulnerabilities

Multiple privilege escalation vulnerabilities in the Python subsystem of Cisco Nexus devices running Cisco NX-OS Software could allow an authenticated, local attacker to gain elevated privileges. The vulnerabilities are due to insufficient hardening of the operating system on which NX-OS is...

Cisco Nexus and Cisco Multilayer Director Switches MOTD Telnet Login Reset Vulnerability

A vulnerability in the Message of the Day MOTD or banner functionality of the NX-OS Software could allow an unauthenticated, remote attacker to cause the login process to reset. The vulnerability is due to the MOTD display handling when a certain type of terminal session is requested via Telnet...

Cisco Nexus 4000 Series Switches IPv6 Denial of Service (CSCtd15904)

A vulnerability in the IP version 6 IPv6 packet handling routine of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to stop responding to neighbor solicitation NS requests, causing a limited denial of service DoS condition. The vulnerability is due to...

Cisco Nexus 4000 Series Switches IPv6 Denial of Service Vulnerability

A vulnerability in the IP version 6 IPv6 packet handling routine of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to stop responding to neighbor solicitation NS requests, causing a limited denial of service DoS condition. The vulnerability is due to...

Cisco Nexus 7000 Frame Forwarding Loop Denial of Service Vulnerability

Cisco NX-OS Software running on Nexus 7000 Series Switches contains a vulnerability that could allow an unauthenticated, remote attacker with access to an adjacent network to cause a denial of service DoS condition. The vulnerability is due to mishandling of a specific type of nonstandard Etherne...