CVE-2000-0457

high Microsoft
CVSS v3 Base Score
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Score
84.4%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P
Published: May 11, 2000 (9499 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
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.

CWE

NVD-CWE-Other

Affected Products

microsoft internet information servermicrosoft internet information services

References

🔗 marc.info 🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 exchange.xforce.ibmcloud.com 🔗 marc.info