Vulnerability Monitor

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CVE-2009-4556


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.


Security Impact Summary

CVE-2009-4556 is a security vulnerability that . Impacting 2 products from quickheal, from quickheal organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2010, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2010-01-04T21:30:00.420

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-264

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application quickheal antivirus_plus_2009 10.00 Yes
Application quickheal total_security_2009 10.00 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For quickheal's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.