CVE-2009-4452

Exp

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.

Published: 2009-12-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4452 is rated High Exploit Risk (61.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.82%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-4452

EDB-ID Source Kind Published Link
10484 exploit_db edb 2009-12-16 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4452

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.15% 0.82% +0.67%
2 2025-03-19 0.13% 0.15% +0.02%
3 2025-03-17 — 0.13% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4452

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:L/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.1 10.0 [email protected]

Weakness enumeration for CVE-2009-4452

Affected software / configurations for CVE-2009-4452

Vendor Product Version Raw CPE
kaspersky_lab kaspersky_anti-virus 5.0.712 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:5.0.712:*:windows_workstations:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus 6.0.3.837 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:6.0.3.837:*:windows_file_servers:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus 6.0.3.837 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:6.0.3.837:*:windows_workstation:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus 7.0.1.325 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:7.0.1.325:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_2009 8.0.0.454 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_2009:8.0.0.454:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_2010 9.0.0.463 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_2010:9.0.0.463:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_personal 5.0 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_personal:5.0:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_personal 5.0.227 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_personal:5.0.227:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_personal 5.0.228 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_personal:5.0.228:*:*:*:*:*:*:*
kaspersky_lab kaspersky_anti-virus_personal 5.0.325 cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus_personal:5.0.325:*:*:*:*:*:*:*
kaspersky_lab kaspersky_internet_security 7.0.1.325 cpe:2.3:a:kaspersky_lab:kaspersky_internet_security:7.0.1.325:*:*:*:*:*:*:*
kaspersky_lab kaspersky_internet_security_2009 8.0.0.506 cpe:2.3:a:kaspersky_lab:kaspersky_internet_security_2009:8.0.0.506:*:*:*:*:*:*:*
kaspersky_lab kaspersky_internet_security_2010 9.0.0.463 cpe:2.3:a:kaspersky_lab:kaspersky_internet_security_2010:9.0.0.463:*:*:*:*:*:*:*

References for CVE-2009-4452

cvelogic Threat Intelligence