CVE-2002-0147

CVE-2002-0147 is a high-severity vulnerability in Microsoft Internet Information Server with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 62% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka "Microsoft-discovered variant of Chunked Encoding buffer overrun."

Frequently asked questions

What is CVE-2002-0147?
Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka "Microsoft-discovered variant of Chunked Encoding buffer overrun."
How severe is CVE-2002-0147?
CVE-2002-0147 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0147 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 62% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0147?
CVE-2002-0147 primarily affects Microsoft Internet Information Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0147?
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-2002-0147 published?
CVE-2002-0147 was published on 2002-04-22 and last updated on 2026-06-16.

References

Affected products (2)

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