{"cve":{"cve_id":"CVE-2020-1858","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":0.00767,"epss_percentile":0.50723,"epss_as_of":"2026-06-23","description":"Huawei products NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00SPC100; Secospace USG6600 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100; and USG9500 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100 have a denial of service vulnerability. Attackers need to perform a series of operations in a special scenario to exploit this vulnerability. Successful exploit may cause the new connections can't be established, result in a denial of service.","published_at":"2020-02-17T19:30:02Z","last_modified_at":null,"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.huawei.com/en/psirt/security-advisories/huawei-sa-20200205-01-dos-en","http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-04-dos-en"],"vuln_status":null,"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":"2026-06-28T23:13:42.483846Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"nip6800","product_name":"NIP6800","version_start":"V500R001C30","version_start_inclusive":true,"version_end":"V500R001C30","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:nip6800:V500R001C30:V500R001C30"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"nip6800","product_name":"NIP6800","version_start":"V500R001C60SPC500","version_start_inclusive":true,"version_end":"V500R001C60SPC500","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:nip6800:V500R001C60SPC500:V500R001C60SPC500"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"nip6800","product_name":"NIP6800","version_start":"V500R005C00SPC100","version_start_inclusive":true,"version_end":"V500R005C00SPC100","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:nip6800:V500R005C00SPC100:V500R005C00SPC100"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"secospace-usg6600","product_name":"Secospace USG6600","version_start":"V500R001C30SPC600","version_start_inclusive":true,"version_end":"V500R001C30SPC600","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:secospace-usg6600:V500R001C30SPC600:V500R001C30SPC600"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"secospace-usg6600","product_name":"Secospace USG6600","version_start":"V500R001C60SPC500","version_start_inclusive":true,"version_end":"V500R001C60SPC500","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:secospace-usg6600:V500R001C60SPC500:V500R001C60SPC500"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"secospace-usg6600","product_name":"Secospace USG6600","version_start":"V500R005C00SPC100","version_start_inclusive":true,"version_end":"V500R005C00SPC100","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:secospace-usg6600:V500R005C00SPC100:V500R005C00SPC100"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"usg9500","product_name":"USG9500","version_start":"V500R001C30SPC600","version_start_inclusive":true,"version_end":"V500R001C30SPC600","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:usg9500:V500R001C30SPC600:V500R001C30SPC600"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"usg9500","product_name":"USG9500","version_start":"V500R001C60SPC500","version_start_inclusive":true,"version_end":"V500R001C60SPC500","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:usg9500:V500R001C60SPC500:V500R001C60SPC500"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"usg9500","product_name":"USG9500","version_start":"V500R005C00SPC100","version_start_inclusive":true,"version_end":"V500R005C00SPC100","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:usg9500:V500R005C00SPC100:V500R005C00SPC100"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200205-01-dos-en","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-04-dos-en","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-02-17T19:30:02Z","label":"CVE published","source":null}]}