{"cve":{"cve_id":"CVE-2006-1651","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.15185,"epss_percentile":0.9632,"epss_as_of":"2026-06-23","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.","published_at":"2006-04-06T10:00:00Z","last_modified_at":"2026-06-16T22:23:22.407000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.securityfocus.com/archive/1/429816/100/0/threaded","http://www.securityfocus.com/archive/1/429846/100/0/threaded","http://www.securityfocus.com/archive/1/430281/100/0/threaded","http://www.securityfocus.com/archive/1/430684/100/0/threaded"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:03:20.766657Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"isa-server","product_name":"isa_server","version_start":"2004","version_start_inclusive":true,"version_end":"2004","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:microsoft:isa_server:2004:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.securityfocus.com/archive/1/429816/100/0/threaded","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/429846/100/0/threaded","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/430281/100/0/threaded","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/430684/100/0/threaded","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2006-04-06T10:00:00Z","label":"CVE published","source":null}]}