Read the docs
TI-2006-01598 Aliases CVE-2006-1651GHSA-2988-2x63-c565

Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules…

Priority MEDIUM 49Published · 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
Partial · Partial · Partial
Fix status
No fix listed

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

Summary

Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules, including ones for (1) ICMP and (2) TCP, via IPv6 packets. NOTE: An established researcher has disputed this issue, saying that "Neither ISA Server 2004 nor Windows 2003 Basic Firewall support IPv6 filtering ... This is different network protocol.

Why it matters now

EPSS 0.14954 96th 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:isa_server:2004:*:*:*:*:*:*:*2004VulnerableMicrosoft
  • cpe:2.3:a:microsoft:isa_server:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-1651
  2. 2026-10-03 Alias added: GHSA-2988-2x63-c565

References

—

  • TI-2009-01078 The Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or OWC11), as… CVSS 2.0HIGH 9.3
  • TI-2009-01455 Buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3… CVSS 2.0HIGH 9.3
  • TI-2002-00358 Buffer overflow in gopher client for Microsoft Internet Explorer 5.1 through 6.0, Proxy… CVSS 2.0HIGH 7.5
  • TI-2009-00541 The Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3… CVSS 2.0HIGH 9.3
  • TI-2009-01077 Microsoft Internet Security and Acceleration (ISA) Server 2006 Gold and SP1, when Radius… CVSS 2.0HIGH 9.0
  • TI-2006-06769 Microsoft Internet Security and Acceleration (ISA) Server 2004 logs unusual ASCII… CVSS 2.0HIGH 10.0
See all 20 →

Sources

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