{"cve":{"cve_id":"CVE-2006-1927","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":0.01757,"epss_percentile":0.75039,"epss_as_of":"2026-06-23","description":"Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 or Cisco 12000 series routers, allows remote attackers to cause a denial of service (Line card crash) via certain MPLS packets, as identified by Cisco bug ID CSCsc77475.","published_at":"2006-04-20T18:00:00Z","last_modified_at":"2026-06-16T22:23:57.347000Z","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.vupen.com/english/advisories/2006/1433","http://securitytracker.com/id?1015964","http://www.securityfocus.com/bid/17607","https://exchange.xforce.ibmcloud.com/vulnerabilities/25881","http://secunia.com/advisories/19740","http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml"],"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":"2026-06-28T23:03:21.934111Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.0.1","version_start_inclusive":true,"version_end":"3.0.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.1.0","version_start_inclusive":true,"version_end":"3.1.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.1.0:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2","version_start_inclusive":true,"version_end":"3.2","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.1","version_start_inclusive":true,"version_end":"3.2.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.1:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.2","version_start_inclusive":true,"version_end":"3.2.2","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.2:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.3","version_start_inclusive":true,"version_end":"3.2.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.3:*:crs-1:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.3","version_start_inclusive":true,"version_end":"3.2.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.3:*:prp:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.4","version_start_inclusive":true,"version_end":"3.2.4","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.4:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios-xr","product_name":"ios_xr","version_start":"3.2.50","version_start_inclusive":true,"version_end":"3.2.50","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios_xr:3.2.50:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.vupen.com/english/advisories/2006/1433","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://securitytracker.com/id?1015964","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/17607","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/25881","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/19740","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2006-04-20T18:00:00Z","label":"CVE published","source":null}]}