How severe is CVE-2009-1348?

CVE-2009-1348 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-2009-1348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1348?

CVE-2009-1348 primarily affects Mcafee Active Virus Defense. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1348?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-1348 published?

CVE-2009-1348 was published on 2009-04-30 and last updated on 2026-06-16.

CVE-2009-1348

CVE-2009-1348 is a high-severity vulnerability in Mcafee Active Virus Defense with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.6)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mcafee Active Virus Defense
Published: 2009-04-30
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2009-1348?: CVE-2009-1348 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2009-1348 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1348?: CVE-2009-1348 primarily affects Mcafee Active Virus Defense. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1348?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-1348 published?: CVE-2009-1348 was published on 2009-04-30 and last updated on 2026-06-16.

References

Affected products (20)

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

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