VULNERABILITY INTELLIGENCE
CVE-2009-4556
CVSS score7.2 HIGH
EPSS probability0.70%
CISA KEVNot currently listed
Published2010-01-04
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C
Description
Quick Heal AntiVirus Plus 2009 10.00 SP1 and Quick Heal Total Security 2009 10.00 SP1 use weak permissions (Everyone: Full Control) for the product files, which allows local users to gain privileges by replacing executables with Trojan horse programs, as demonstrated by replacing quhlpsvc.exe.