What’s Vulnerable › Vulnerabilities

CVE-2003-0225

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 38.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-05-30 · updated 2026-06-16

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.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

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
• 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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