CVE-2006-1651

high

Description

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.

References

http://www.securityfocus.com/archive/1/430684/100/0/threaded

http://www.securityfocus.com/archive/1/430281/100/0/threaded

http://www.securityfocus.com/archive/1/429846/100/0/threaded

http://www.securityfocus.com/archive/1/429816/100/0/threaded

Details

Source: Mitre, NVD

Published: 2006-04-06

Updated: 2026-04-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.18843