Cisco security advisory

Number: AV21-498
Date: 6 October 2021

On 6 October 2021 Cisco published Security Advisories to address vulnerabilities in multiple products. Included were high severity updates for the following:

  • Cisco AnyConnect Secure Mobility Client for Linux and Mac OS Release – versions prior to 4.10.03104
  • Cisco ATA 190 Series Analog Telephone Adapter – multiple versions
  • Cisco Identity Services Engine – multiple versions
  • Cisco Small Business 220 Series Smart Switches – versions and prior
  • Cisco Intersight Virtual Appliance – versions 1.0.9-150 to 1.0.9-292
  • Cisco AsyncOS for Cisco Web Security Appliance – multiple versions

Exploitation of these vulnerabilities could result in arbitrary remote code execution, denial-of-service and privilege escalation.

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

Cisco Security Advisories

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.

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