CVE-2009-3936: Citrix Online Plug-In For Mac

Medium severity, CVSS 5.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Unspecified vulnerability in Citrix Online Plug-in for Windows 11.0.x before 11.0.150 and 11.x before 11.2, Online Plug-in for Mac before 11.0, Receiver for iPhone before 1.0.3, and ICA Java, Mac, UNIX, and Windows Clients for XenApp and XenDesktop allows remote attackers to impersonate the SSL/TLS server and bypass authentication via a crafted certificate, a different vulnerability than CVE-2009-3555.

Affected products

• Citrix Online Plug-In For Mac: up to and including 10.0
• Citrix Online Plug-In For Windows: up to and including 11.2; version 11.0 only; version 11.1 only
• Citrix Receiver For iPhone: up to and including 1.0

Published 2009-11-13. Last modified 2026-06-16.