CVE-2000-0457

Published: May 11, 2000Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: NVD

Description

ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.

Affected (2)

Products: Microsoft: Internet Information Server, Internet Information Services

2 products

Internet Information Server

Internet Information Services

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Microsoft Internet Information Server	Version 4.0
Microsoft Internet Information Services	Version 5.0

References (8)

http://marc.info/?l=bugtraq&m=95810120719608&w=2

Source: cve@mitre.org

http://www.securityfocus.com/bid/1193

Source: cve@mitre.org

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-031

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/4448

Source: cve@mitre.org

http://marc.info/?l=bugtraq&m=95810120719608&w=2

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/1193

Source: af854a3a-2127-422b-91ae-364da2661108

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-031

Source: af854a3a-2127-422b-91ae-364da2661108

https://exchange.xforce.ibmcloud.com/vulnerabilities/4448

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.