Is CVE-2003-0225 in the CISA KEV catalog?

No. CVE-2003-0225 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0225?

CVE-2003-0225 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2003-0225?

CVE-2003-0225 has an EPSS score of 38.46% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0225

MEDIUMEPSS 98th pctl

5.0

CVSS v2

NVD

Description

The ASP function Response.AddHeader in Microsoft Internet Information Server (IIS) 4.0 and 5.0 does not limit memory requests when constructing headers, which allow remote attackers to generate a large header to cause a denial of service (memory consumption) with an ASP page.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

38.46%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://marc.info/?l=ntbugtraq&m=105110606122772&w=2
http://www.aqtronix.com/Advisories/AQ-2003-01.txt
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-018
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A373

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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.