Is CVE-2009-4452 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2009-4452, but active exploitation has not been confirmed.

Can CVE-2009-4452 be exploited remotely?

No. CVE-2009-4452 requires local access to exploit.

What is the CVSS score of CVE-2009-4452?

CVE-2009-4452 has a CVSS score of 6.8 (MEDIUM).

HOME VULNERABILITIESCVE-2009-4452

MEDIUMPOC

CVE-2009-4452

CWE-264Published: December 29, 2009· Updated: Jun 16, 2026

6.8

CVSS v3.1

Official Description

Kaspersky Anti-Virus 5.0 (5.0.712); Antivirus Personal 5.0.x; Anti-Virus 6.0 (6.0.3.837), 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); and Internet Security 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); use weak permissions (Everyone:Full Control) for the BASES directory, which allows local users to gain SYSTEM privileges by replacing an executable or DLL with a Trojan horse.

NVD Source

Technical Analysis

CVE-2009-4452 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2009-4452. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges Req.

User Interaction

Scope

Impact

ConfidentialityC

IntegrityC

AvailabilityC

AV:L/AC:L/Au:S/C:C/I:C/A:C

Affected Vendors & Products

kaspersky_lab7 product(s)

kaspersky anti-viruskaspersky anti-virus 2009kaspersky anti-virus 2010kaspersky anti-virus personalkaspersky internet securitykaspersky internet security 2009kaspersky internet security 2010

Source: NVD CPE · 12 total CPE entries