CVE-2008-4389: Symantec Appstream

High severity, CVSS 9.3. EPSS: 2.5% chance of exploitation in the next 30 days.

Symantec AppStream 5.2.x and Symantec Workspace Streaming (SWS) 6.1.x before 6.1 SP4 do not properly perform authentication, which allows remote Workspace Streaming servers and man-in-the-middle attackers to download arbitrary executable files onto a client system, and execute these files, via unspecified vectors.

Affected products

• Symantec Appstream: version 5.2 only; version 5.2.1 only; version 5.2.2 only; version 5.2.3 only
• Symantec Workspace Streaming: version 6.1 only

Published 2010-06-17. Last modified 2026-06-16.