How severe is CVE-2003-0519?

CVE-2003-0519 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0519 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0519?

CVE-2003-0519 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0519?

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

When was CVE-2003-0519 published?

CVE-2003-0519 was published on 2003-08-18 and last updated on 2026-06-16.

CVE-2003-0519

CVE-2003-0519 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Explorer
Published: 2003-08-18
Last modified: 2026-06-16

Description

Certain versions of Internet Explorer 5 and 6, in certain Windows environments, allow remote attackers to cause a denial of service (freeze) via a URL to C:\aux (MS-DOS device name) and possibly other devices.

Frequently asked questions

What is CVE-2003-0519?: Certain versions of Internet Explorer 5 and 6, in certain Windows environments, allow remote attackers to cause a denial of service (freeze) via a URL to C:\aux (MS-DOS device name) and possibly other devices.
How severe is CVE-2003-0519?: CVE-2003-0519 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0519 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0519?: CVE-2003-0519 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0519?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0519 published?: CVE-2003-0519 was published on 2003-08-18 and last updated on 2026-06-16.

References

http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006286.html

Affected products (2)

cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*

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