Number: AV21-526
Date: 20 October 2021
On 20 October 2021 Cisco published Security Advisories to address vulnerabilities in multiple products. Included were updates for the following:
- Cisco Universal IOS XE SD-WAN Software – multiple versions
Exploitation of this vulnerability could allow an actor to execute arbitrary commands.
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.
Cisco IOS Security Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-rhpbE34A
Cisco Security Advisories
https://tools.cisco.com/security/center/publicationListing.x
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.