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NVD Vulnerability Details :

CVE-2006-1651

Modified

Source-cve@mitre.org

Published At-06 Apr, 2006 | 10:04

Updated At-16 Apr, 2026 | 00:27

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	2.0	7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P

Type: Primary

Version: 2.0

Base score: 7.5

Base severity: HIGH

Vector:

AV:N/AC:L/Au:N/C:P/I:P/A:P

CPE Matches

Microsoft Corporation

>>isa_server>>2004

cpe:2.3:a:microsoft:isa_server:2004:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
NVD-CWE-Other	Primary	nvd@nist.gov

CWE ID: NVD-CWE-Other

Type: Primary

Source: nvd@nist.gov

Evaluator Solution

This vulnerability has been disputed.

References

Hyperlink	Source	Resource
http://www.securityfocus.com/archive/1/429816/100/0/threaded	cve@mitre.org	N/A
http://www.securityfocus.com/archive/1/429846/100/0/threaded	cve@mitre.org	N/A
http://www.securityfocus.com/archive/1/430281/100/0/threaded	cve@mitre.org	N/A
http://www.securityfocus.com/archive/1/430684/100/0/threaded	cve@mitre.org	N/A
http://www.securityfocus.com/archive/1/429816/100/0/threaded	af854a3a-2127-422b-91ae-364da2661108	N/A
http://www.securityfocus.com/archive/1/429846/100/0/threaded	af854a3a-2127-422b-91ae-364da2661108	N/A
http://www.securityfocus.com/archive/1/430281/100/0/threaded	af854a3a-2127-422b-91ae-364da2661108	N/A
http://www.securityfocus.com/archive/1/430684/100/0/threaded	af854a3a-2127-422b-91ae-364da2661108	N/A