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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 76.17% Top 5%

Vendor Advisory microsoft.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/2313	vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/5903	vdb entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-004	vendor advisory
http://marc.info/?l=bugtraq&m=97897954625305&w=2	mailing list

Frequently Asked Questions

What is the severity of CVE-2001-0004?: CVE-2001-0004 has been scored as a medium severity vulnerability.
How to fix CVE-2001-0004?: To fix CVE-2001-0004, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2001-0004 being actively exploited in the wild?: It is possible that CVE-2001-0004 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~76% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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