Number: AV21-227
Date: 13 May 2021
On 11 May 2021 Citrix published a Security Bulletin to address a vulnerability in the following product:
- Citrix Workspace App for Windows - versions prior to 2105 and 1912 LTSR CU4
Exploitation of this vulnerability could result in privilege escalation.
The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.
Citrix Security Bulletin (CTX307794)
https://support.citrix.com/article/CTX307794
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.