Which products and versions are affected by CVE-2003-0718?

Affected: Internet Information Server (Microsoft) versions 6.0; Internet Information Services (Microsoft) versions 5.0. The full list is in the CVE brief.

Is CVE-2003-0718 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2003-0718 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2003-0718?

Public exploit code is available.

Is there a fix for CVE-2003-0718?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2003-0718 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Request A Demo

Vulnerability Intelligence

CVE-2003-0718

MediumPublic exploit

The WebDAV Message Handler for Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows remote attackers to cause a denial of service (memory and CPU exhaustion, application crash) via a PROPFIND request with an XML message containing XML elements with a large number of…

Published Nov 3, 2004 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2003-0718 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Internet Information Server (Microsoft), Internet Information Services (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 88% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

5.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS (30-day exploit likelihood)

88%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2003-0718 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Internet Information ServerMicrosoft	6.0	n/a
Internet Information ServicesMicrosoft	5.0	n/a

Timeline

Publicly disclosed
Nov 3, 2004
Last updated
Apr 15, 2026

References

exploitExploitDB-585
other20041012 Microsoft IIS 5.x/6.0 WebDAV (XML parser) attribute blowup DoS
otherMS04-030
otheriis-webdav-xml-attribute-dos(17645)
otheriis-ms04030-patch(17656)

3 more references in the full CVE brief

FAQ

Common Questions.

The WebDAV Message Handler for Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows remote attackers to cause a denial of service (memory and CPU exhaustion, application crash) via a PROPFIND request with an XML message containing XML elements with a large number of attributes.
Affected: Internet Information Server (Microsoft) versions 6.0; Internet Information Services (Microsoft) versions 5.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2003-0718 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.