CVE-2003-1247: Positive Software H-Sphere

High severity, CVSS 7.5. EPSS: 10% chance of exploitation in the next 30 days.

Multiple buffer overflows in H-Sphere WebShell 2.3 allow remote attackers to execute arbitrary code via (1) a long URL content type in CGI::readFile, (2) a long path in diskusage, and (3) a long fname in flist.

Affected products

• Positive Software H-Sphere: version 2.3_rc3 only

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