// For flags

CVE-2001-0500

Microsoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (PoC)

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

6
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2001-06-08 CVE Reserved
  • 2001-06-18 First Exploit
  • 2001-07-21 CVE Published
  • 2024-08-08 CVE Updated
  • 2025-03-30 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"
Index Server
Search vendor "Microsoft" for product "Index Server"
2.0
Search vendor "Microsoft" for product "Index Server" and version "2.0"
-
Affected
Microsoft
Search vendor "Microsoft"
Indexing Service
Search vendor "Microsoft" for product "Indexing Service"
*windows_2000
Affected
Microsoft
Search vendor "Microsoft"
Internet Information Server
Search vendor "Microsoft" for product "Internet Information Server"
<= 6.0
Search vendor "Microsoft" for product "Internet Information Server" and version " <= 6.0"
beta
Affected