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…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 9 months later
· 9 months later
Published
- 22 years later
· 22 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 96.7% · top 0.1% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- MS01-033 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 20010618 All versions of Microsoft Internet Information Services, Remote buffer overflow (SYSTEM Level Access) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 2880 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- L-098 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- iis-isapi-idq-bo(6705) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- oval:org.mitre.oval:def:197 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- CA-2001-13 (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2001-0500)Record last updated .