Read the docs
TI-2003-00209 Aliases CVE-2003-0225GHSA-xh9p-h3qw-7x43

The ASP function Response.AddHeader in Microsoft Internet Information Server (IIS) 4.0…

Priority MEDIUM 50Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.3846 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*4.0VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*5.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0225
  2. 2026-10-03 Alias added: GHSA-xh9p-h3qw-7x43

References

Advisory 1

Other 3

  • TI-2001-00492 Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service… CVSS 2.0HIGH 10.0
  • TI-2009-02880 Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0… CVSS 2.0HIGH 9.0
  • TI-1999-00961 The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components… CVSS 2.0HIGH 10.0
  • TI-1999-00824 Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a… CVSS 2.0HIGH 10.0
  • TI-2008-00066 Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 through… CVSS 2.0HIGH 10.0
  • TI-2001-00331 Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
See all 106 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences