[ 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
- support.citrix.com/article/CTX251986Vendor Advisory
- support.citrix.com/v1/searchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource