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CVE-2001-0500

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS...

10.0 HighPublic exploit

CVE-2001-0500 is a high vulnerability (CVSS 10.0) in Microsoft Index Server, published July 21, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 96.7%, the 99th percentile. No source names a fixed version.

What does this mean?
Severity
10.0 HighCVSS 2.0, NVD
Exploit chance
96.7%EPSS, 99th percentile
Exploitation
None known6 public exploits
Fixed in
No fix listedNo source names one

Description

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.

Exploit likelihood

96.7%Up 19.4 points since Feb 4, 2022
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (PoC)2001-06-18
Exploit-DBMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (3)2001-06-18
Exploit-DBMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (4)2001-06-18
MetasploitMS01-033 Microsoft IIS 5.0 IDQ Path Overflow2001-06-18
Exploit-DBMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (2)2001-06-21
Exploit-DBMicrosoft IIS 5.0 - IDQ Path Overflow (MS01-033) (Metasploit)2010-06-15

What each source reports

NVD Score used10.0

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.

Record
CVE-2001-0500
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2001-0500
Updated
2026-11-02
EUVDEUVD-2001-0496No score

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.

Record
EUVD-2001-0496
Updated
2026-11-03
GitHub AdvisoriesGHSA-gcxg-pq25-8wh2No score

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS...

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.

Record
GHSA-gcxg-pq25-8wh2
Updated
2026-11-02

History

History
RecordedChangedSources
exploits, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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