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TI-2003-00755 Aliases CVE-2003-0819GHSA-46hh-56wc-9gv2

Buffer overflow in the H.323 filter of Microsoft Internet Security and Acceleration…

Priority HIGH 71CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Buffer overflow in the H.323 filter of Microsoft Internet Security and Acceleration Server 2000 allows remote attackers to execute arbitrary code in the Microsoft Firewall Service via certain H.323 traffic, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.

Why it matters now

EPSS 0.40866 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:proxy_server:2.0:*:*:*:*:*:*:*2.0VulnerableMicrosoft
cpe:2.3:a:microsoft:proxy_server:2.0:sp1:*:*:*:*:*:*2.0 sp1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:proxy_server:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:proxy_server:2.0:sp1:*:*:*:*:*:* Versions 2.0 sp1 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0819
  2. 2026-10-03 Alias added: GHSA-46hh-56wc-9gv2

References

Patch 2

Advisory 1

Other 2

  • TI-2002-00358 Buffer overflow in gopher client for Microsoft Internet Explorer 5.1 through 6.0, Proxy… CVSS 2.0HIGH 7.5
  • TI-2000-00246 IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual… CVSS 2.0MEDIUM 5.0
  • TI-2004-00809 Microsoft Proxy Server 2.0 and Microsoft ISA Server 2000 (which is included in Small… CVSS 2.0HIGH 7.5
  • TI-2003-00105 The Winsock Proxy service in Microsoft Proxy Server 2.0 and the Microsoft Firewall… CVSS 2.0MEDIUM 5.0

Sources

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