[ CVE-2019-11634 · Published 22 May 2019 ]

Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 8%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
  • Known to be used in ransomware campaigns
  • Critical severity: CVSS 9.8

[ Description ]Official description

Citrix Workspace App before 1904 for Windows has Incorrect Access Control.

CISA: Citrix Workspace Application and Receiver for Windows contains remote code execution vulnerability resulting from local drive access preferences not being enforced into the clients' local drives.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References