How severe is CVE-2000-1147?

CVE-2000-1147 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2000-1147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1147?

CVE-2000-1147 affects Microsoft Internet Information Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-1147?

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

When was CVE-2000-1147 published?

CVE-2000-1147 was published on 2001-01-09 and last updated on 2026-06-16.

CVE-2000-1147

CVE-2000-1147 is a medium-severity vulnerability in Microsoft Internet Information Server with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Information Server
Published: 2001-01-09
Last modified: 2026-06-16

Description

Buffer overflow in IIS ISAPI .ASP parsing mechanism allows attackers to execute arbitrary commands via a long string to the "LANGUAGE" argument in a script tag.

Frequently asked questions

What is CVE-2000-1147?: Buffer overflow in IIS ISAPI .ASP parsing mechanism allows attackers to execute arbitrary commands via a long string to the "LANGUAGE" argument in a script tag.
How severe is CVE-2000-1147?: CVE-2000-1147 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2000-1147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1147?: CVE-2000-1147 affects Microsoft Internet Information Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-1147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-1147 published?: CVE-2000-1147 was published on 2001-01-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*

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