CVE-2020-8257: Citrix Gateway Plug-In

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks

Affected products

  • Citrix Gateway Plug-In: from 12.0, up to and including 12.1-58.15; from 13.0, up to and including 13.0-61.48

Published 2020-12-14. Last modified 2026-06-17.