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Unrated severityNVD Advisory· Published Feb 12, 2001· Updated Jun 16, 2026

CVE-2001-0004

CVE-2001-0004

Description

IIS 5.0 and 4.0 allows remote attackers to read the source code for executable web server programs by appending "%3F+.htr" to the requested URL, which causes the files to be parsed by the .HTR ISAPI extension, aka a variant of the "File Fragment Reading via .HTR" vulnerability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Microsoft/Internet Information Server3 versions
    cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*
    • (no CPE)range: <=5.0

Patches

Vulnerability mechanics

References

4

News mentions

0

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