How severe is CVE-2001-0544?

CVE-2001-0544 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2001-0544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0544?

CVE-2001-0544 affects Microsoft Internet Information Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0544?

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

When was CVE-2001-0544 published?

CVE-2001-0544 was published on 2001-10-30 and last updated on 2026-06-16.

CVE-2001-0544

CVE-2001-0544 is a low-severity vulnerability in Microsoft Internet Information Services with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Information Services
Published: 2001-10-30
Last modified: 2026-06-16

Description

IIS 5.0 allows local users to cause a denial of service (hang) via by installing content that produces a certain invalid MIME Content-Type header, which corrupts the File Type table.

Frequently asked questions

What is CVE-2001-0544?: IIS 5.0 allows local users to cause a denial of service (hang) via by installing content that produces a certain invalid MIME Content-Type header, which corrupts the File Type table.
How severe is CVE-2001-0544?: CVE-2001-0544 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2001-0544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0544?: CVE-2001-0544 affects Microsoft Internet Information Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0544 published?: CVE-2001-0544 was published on 2001-10-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

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