How severe is CVE-2003-1443?

CVE-2003-1443 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2003-1443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1443?

CVE-2003-1443 affects Kaspersky Lab Kaspersky Anti-virus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1443?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-1443 published?

CVE-2003-1443 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1443

CVE-2003-1443 is a medium-severity vulnerability in Kaspersky Lab Kaspersky Anti-virus with a CVSS 2.0 base score of 4.4. 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: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Kaspersky Lab Kaspersky Anti-virus
Published: 2003-12-31
Last modified: 2026-06-16

Description

Kaspersky Antivirus (KAV) 4.0.9.0 does not detect viruses in files with MS-DOS device names in their filenames, which allows local users to bypass virus protection, as demonstrated using aux.vbs and aux.com.

Frequently asked questions

What is CVE-2003-1443?: Kaspersky Antivirus (KAV) 4.0.9.0 does not detect viruses in files with MS-DOS device names in their filenames, which allows local users to bypass virus protection, as demonstrated using aux.vbs and aux.com.
How severe is CVE-2003-1443?: CVE-2003-1443 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2003-1443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1443?: CVE-2003-1443 affects Kaspersky Lab Kaspersky Anti-virus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1443 published?: CVE-2003-1443 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:4.0.9.0:*:*:*:*:*:*:*

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