CVE-2003-1248: Positive Software H-Sphere

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

H-Sphere WebShell 2.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) mode and (2) zipfile parameters in a URL request.

Affected products

• Positive Software H-Sphere: version 2.3_rc3 only

Published 2003-12-31. Last modified 2026-06-16.