// For flags

CVE-2000-0457

Microsoft IIS 4.0/5.0 - Malformed Filename Request

Severity Score

7.5
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2000-05-11 CVE Published
  • 2000-05-11 First Exploit
  • 2000-06-14 CVE Reserved
  • 2024-08-08 CVE Updated
  • 2024-08-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Internet Information Server
Search vendor "Microsoft" for product "Internet Information Server"
4.0
Search vendor "Microsoft" for product "Internet Information Server" and version "4.0"
-
Affected
Microsoft
Search vendor "Microsoft"
Internet Information Services
Search vendor "Microsoft" for product "Internet Information Services"
5.0
Search vendor "Microsoft" for product "Internet Information Services" and version "5.0"
-
Affected