Home/CVE/IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, wh
CVE

CVE-2000-0246

IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, wh

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.

MEDIUM · CVSS 5 EPSS 0.83616
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
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Affected Products & Versions

6
microsoft commercial internet systemall versions
microsoft internet information serverall versions
microsoft internet information servicesall versions
microsoft proxy serverall versions
microsoft site serverall versions
microsoft site server commerceall versions
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Public Exploits & PoCs

1
remoteMicrosoft IIS 4.0 - UNC Mapped Virtual Hostverified
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Published to NVD30 Mar 2000 · 05:00 AM
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.microsoft.com/technet/support/kb.asp?ID=249599
http://www.securityfocus.com/bid/1081
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-019
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