VULNERABILITY INTELLIGENCE

CVE-2009-3523

CVSS score6.9 MEDIUM
EPSS probability0.78%
CISA KEVNot currently listed
Published2009-10-01
Last modified2026-06-16
CVSS vectorAV:L/AC:M/Au:N/C:C/I:C/A:C

Description

aavmKer4.sys in avast! Home and Professional for Windows before 4.8.1356 does not properly validate input to IOCTLs (1) 0xb2d6000c and (2) 0xb2d60034, which allows local users to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption, a different vulnerability than CVE-2008-1625.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references