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CVE-2000-0246

MediumPublished

IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read...

Published: Jun 2, 2000
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Mar 30, 2000

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS probability estimate

80.0%

High · next 30 days

Percentile: 99.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized UNC Share" vulnerability.

Sources

Microsoft IIS 4.0 - UNC Mapped Virtual HostExploit
Adam Coyne · multiple · Mar 30, 2000

Responsible use

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