Number: AV21-421
Date: 26 August 2021
On 25 August 2021 Cisco published Security Advisories to address vulnerabilities in multiple products. Included were critical updates for the following:
- Cisco Application Policy Infrastructure Controller – multiple versions
- Cisco Cloud Application Policy Infrastructure Controller – multiple versions
Exploitation of these vulnerabilities could allow an unauthenticated, remote actor to read or write arbitrary files on an affected system.
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.
Cisco Application Policy Infrastructure Controller (APIC) Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2
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.