Number: AV20-171
Date: 2 June 2020
On 1 June 2020 Cisco published multiple Security Advisories highlighting vulnerabilities in the following products:
- Cisco NX-OS Software
- Cisco UCS C-Series Rack Servers
Successful exploitation of some of these vulnerabilities may allow an actor to cause a denial of service condition or load a compromised software image on an affected device.
The Cyber Centre encourages users and administrators to review the following, perform the suggested mitigations and apply the necessary manufacturer updates when available:
Cisco NX-OS Software:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4
Cisco UCS C-Series Rack Servers:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200219-ucs-boot-bypass
Note to Readers
The Canadian Centre for Cyber Security (Cyber Centre) operates as part of the Communications Security Establishment. We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure, Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.