Vulnerability in Microsoft Indexing Service

CVE-2001-0500

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.

Published · last modified .

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.967 (99.9th percentile), scored .

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2001-0500: held from 0.967 to 0.967.

EPSS over last 30 days · oldest: 0.967 · newest: 0.967 · change: +0.001

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2001-0500?
CVE-2001-0500 is a vulnerability in Microsoft Indexing Service. Published 2001-07-21.
Is CVE-2001-0500 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.