CVE-2011-0550: Symantec Endpoint Protection

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in the Web Interface in the Endpoint Protection Manager in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.6300 allow remote attackers to inject arbitrary web script or HTML via (1) the token parameter to portal/Help.jsp or (2) the URI in a console/apps/sepm request.

Affected products

• Symantec Endpoint Protection: version 11.0.6000 only; version 11.0.6100 only; version 11.0.6200 only; version 11.0.6200.754 only; version 11.0.6300 only

Published 2011-08-15. Last modified 2026-06-16.