{"id":"CVE-2006-1651","aliases":["EUVD-2006-1652","GHSA-2988-2x63-c565"],"status":"disputed","title":"** DISPUTED **  Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering...","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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.14954,"percentile":0.96731,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-04-06T10:00:00Z","modified":"2026-06-16T22:23:22Z","products":[{"vendor":"microsoft","product":"isa_server"}],"references":[{"url":"http://www.securityfocus.com/archive/1/429816/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/429846/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/430281/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/430684/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-1651"},{"url":"https://github.com/advisories/GHSA-2988-2x63-c565"}],"sources":{"cve":[{"id":"CVE-2006-1651","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.","status":"disputed","published":"2006-04-06T10:00:00Z","modified":"2024-08-07T17:19:49.296Z","updated_at":"2026-11-02T14:33:52.224925Z"}],"euvd":[{"id":"EUVD-2006-1652","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.","status":"published","published":"2006-04-06T10:00:00Z","modified":"2024-08-07T17:19:49Z","updated_at":"2026-11-03T01:16:04.120483Z"}],"ghsa":[{"id":"GHSA-2988-2x63-c565","title":"** DISPUTED **  Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering...","description":"** DISPUTED **  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.\"","status":"published","published":"2022-05-01T06:51:35Z","modified":"2023-01-31T05:01:03Z","updated_at":"2026-11-02T14:47:59.049689Z"}],"nvd":[{"id":"CVE-2006-1651","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.","status":"disputed","published":"2006-04-06T10:04:00Z","modified":"2026-06-16T22:23:22.407Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:01.776256Z"}]}}