Is CVE-2001-0096 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Internet Information Server

CVE-2001-0096

FrontPage Server Extensions (FPSE) in IIS 4.0 and 5.0 allows remote attackers to cause a denial of service via a malformed form, aka the "Malformed Web Form Submission" vulnerability.

Published 2001-02-12 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.203 (97.4th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.203 · newest: 0.203 · change: 0.000

Affected products

Microsoft Internet Information Server — versions 4.0
Microsoft Internet Information Services — versions 5.0

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-100 (vendor-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/5823 (vdb-entry)

Frequently asked questions

What is CVE-2001-0096?: CVE-2001-0096 is a vulnerability in Microsoft Internet Information Server. Published 2001-02-12.
Is CVE-2001-0096 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.