{"cve":{"cve_id":"CVE-2019-5273","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":0.00477,"epss_percentile":0.37429,"epss_as_of":"2026-06-23","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a large heap buffer overrun error, an attacker may exploit the vulnerability by a malicious certificate, resulting a denial of service on the affected products.","published_at":"2019-12-26T18:49:52Z","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":["https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-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":"2026-06-28T23:12:50.983781Z"},"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":"usg9500","product_name":"USG9500","version_start":"V500R001C30","version_start_inclusive":true,"version_end":"V500R001C30","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:usg9500:V500R001C30:V500R001C30"},{"vendor_slug":"huawei","vendor_name":"Huawei","product_slug":"usg9500","product_name":"USG9500","version_start":"V500R001C60","version_start_inclusive":true,"version_end":"V500R001C60","version_end_inclusive":true,"cpe23_uri":"cve5:huawei:usg9500:V500R001C60:V500R001C60"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2019-12-26T18:49:52Z","label":"CVE published","source":null}]}