CVE-2009-1348

The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security, SecurityShield for Microsoft ISA Server, Security for Microsoft Sharepoint, Security for Email Servers, Email Gateway, and Active Virus Defense allows remote attackers to bypass virus detection via (1) an invalid Headflags field in a malformed RAR archive, (2) an invalid Packsize field in a malformed RAR archive, or (3) an invalid Filelength field in a malformed ZIP archive.

Published: 2009-04-30 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1348 is rated Moderate Risk (62.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.83%). Core evidence: EPSS rose +2.39% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2009-1348

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 0.45% 2.83% +2.39%
2 2025-03-30 0.64% 0.45% -0.19%
3 2025-03-29 0.64%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1348

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
4.9 10.0 [email protected]

Weakness enumeration for CVE-2009-1348

Affected software / configurations for CVE-2009-1348

Vendor Product Version Raw CPE
mcafee active_virus_defense cpe:2.3:a:mcafee:active_virus_defense:*:*:*:*:*:*:*:*
mcafee active_virusscan cpe:2.3:a:mcafee:active_virusscan:*:*:*:*:*:*:*:*
mcafee email_gateway cpe:2.3:a:mcafee:email_gateway:*:*:*:*:*:*:*:*
mcafee internet_security_suite cpe:2.3:a:mcafee:internet_security_suite:*:*:*:*:*:*:*:*
mcafee internet_security_suite 2004 cpe:2.3:a:mcafee:internet_security_suite:2004:*:*:*:*:*:*:*
mcafee internet_security_suite 2005 cpe:2.3:a:mcafee:internet_security_suite:2005:*:*:*:*:*:*:*
mcafee internet_security_suite 2006 cpe:2.3:a:mcafee:internet_security_suite:2006:*:*:*:*:*:*:*
mcafee internet_security_suite 2009 cpe:2.3:a:mcafee:internet_security_suite:2009:*:*:*:*:*:*:*
mcafee securityshield_for_email_servers cpe:2.3:a:mcafee:securityshield_for_email_servers:*:*:*:*:*:*:*:*
mcafee securityshield_for_microsoft_isa_server cpe:2.3:a:mcafee:securityshield_for_microsoft_isa_server:*:*:*:*:*:*:*:*
mcafee securityshield_for_microsoft_sharepoint cpe:2.3:a:mcafee:securityshield_for_microsoft_sharepoint:*:*:*:*:*:*:*:*
mcafee total_protection 2009 cpe:2.3:a:mcafee:total_protection:2009:*:*:*:*:*:*:*
mcafee total_protection_for_endpoint cpe:2.3:a:mcafee:total_protection_for_endpoint:*:*:*:*:*:*:*:*
mcafee virusscan_commandline cpe:2.3:a:mcafee:virusscan_commandline:*:*:*:*:*:*:*:*
mcafee virusscan_enterprise cpe:2.3:a:mcafee:virusscan_enterprise:*:*:*:*:*:*:*:*
mcafee virusscan_enterprise cpe:2.3:a:mcafee:virusscan_enterprise:-:-:linux:*:*:*:*:*
mcafee virusscan_enterprise cpe:2.3:a:mcafee:virusscan_enterprise:-:-:sap:*:*:*:*:*
mcafee virusscan_enterprise cpe:2.3:a:mcafee:virusscan_enterprise:-:-:storage:*:*:*:*:*
mcafee virusscan_plus 2009 cpe:2.3:a:mcafee:virusscan_plus:2009:*:*:*:*:*:*:*
mcafee virusscan_usb cpe:2.3:a:mcafee:virusscan_usb:*:*:*:*:*:*:*:*

References for CVE-2009-1348

cvelogic Threat Intelligence