Number: AV21-138
Date: 25 March 2021
On 24 March 2021 Cisco published Security Advisories to address vulnerabilities in multiple products. Included were critical patches for the following:
- Cisco Jabber – multiple platforms and versions
Exploitation could allow an actor to execute arbitrary programs on the underlying operating system with elevated privileges, access sensitive information, intercept protected network traffic, or cause a denial-of-service condition.
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.
Cisco Jabber
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
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.