CVE-2000-0246

Name: CVE-2000-0246
Creator: NVD / NIST
Published: 2000-03-30T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 79.98%

Last modified Jun 16, 2026

CVE-2000-0246 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 79.98% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

79.98%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Commercial Internet System	2.0
Microsoft	Commercial Internet System	2.5
Microsoft	Internet Information Server	4.0
Microsoft	Internet Information Services	5.0
Microsoft	Proxy Server	2.0
Microsoft	Site Server	3.0
Microsoft	Site Server Commerce	3.0

References

Timeline

Published: Mar 30, 2000
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2000-0246?

How severe is CVE-2000-0246?

Severity scoring for CVE-2000-0246 is pending analysis. The EPSS model estimates a 79.98% probability of exploitation in the next 30 days.

How do I fix CVE-2000-0246?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2000-0246?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST