Is CVE-2003-0226 in the CISA KEV catalog?

No. CVE-2003-0226 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0226?

CVE-2003-0226 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2003-0226?

CVE-2003-0226 has an EPSS score of 42.58% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0226

MEDIUMEPSS 99th pctl

5.0

CVSS v2

NVD

Description

Microsoft Internet Information Services (IIS) 5.0 and 5.1 allows remote attackers to cause a denial of service via a long WebDAV request with a (1) PROPFIND or (2) SEARCH method, which generates an error condition that is not properly handled.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

42.58%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://archives.neohapsis.com/archives/bugtraq/2003-05/0308.html
http://marc.info/?l=bugtraq&m=105427362724860&w=2
http://marc.info/?l=ntbugtraq&m=105421243732552&w=2
http://www.spidynamics.com/iis_alert.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-018
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A933

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.