CVE-2011-3478: Symantec Pcanywhere

High severity, CVSS 10.0. EPSS: 39.5% chance of exploitation in the next 30 days.

The host-services component in Symantec pcAnywhere 12.5.x through 12.5.3, and IT Management Suite pcAnywhere Solution 7.0 (aka 12.5.x) and 7.1 (aka 12.6.x), does not properly filter login and authentication data, which allows remote attackers to execute arbitrary code via a crafted session on TCP port 5631.

Affected products

• Symantec Pcanywhere: version 12.5 only; version 12.5.539 only; version 12.6.65 only; version 12.6.7580 only

Published 2012-01-25. Last modified 2026-06-16.