CVE-2000-0457

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Microsoft Internet Information Server

PublishedMay 11, 2000

First seenMay 11, 2000

How to fix

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
microsoft internet_information_server	4.0	—
microsoft internet_information_services	5.0	—

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