How severe is CVE-2005-0643?

CVE-2005-0643 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-0643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0643?

CVE-2005-0643 affects Mcafee Antivirus Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-0643?

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-2005-0643 published?

CVE-2005-0643 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0643

CVE-2005-0643 is a high-severity vulnerability in Mcafee Antivirus Engine with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mcafee Antivirus Engine
Published: 2005-05-02
Last modified: 2026-06-16

Description

Buffer overflow in McAfee Scan Engine 4320 with DAT version before 4357 allows remote attackers to execute arbitrary code via crafted LHA files.

Frequently asked questions

What is CVE-2005-0643?: Buffer overflow in McAfee Scan Engine 4320 with DAT version before 4357 allows remote attackers to execute arbitrary code via crafted LHA files.
How severe is CVE-2005-0643?: CVE-2005-0643 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0643?: CVE-2005-0643 affects Mcafee Antivirus Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0643?: 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-2005-0643 published?: CVE-2005-0643 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mcafee:antivirus_engine:4.3.20:*:*:*:*:*:*:*

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