CVE-2001-0004 - CVE House
Back to Database
Status published Medium CVE-2001-0004

IIS 5.0 and 4.0 allows remote attackers to read the...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2001-0004

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

internet information server, internet information services
Vulnerable Versions:
4.0, 5.0

Timeline

Official Publish: September 18th, 2001
Last Modified: August 8th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.