{"cve":{"cve_id":"CVE-2023-30798","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":0.01288,"epss_percentile":0.66465,"epss_as_of":"2026-06-23","description":"There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.","published_at":"2023-04-21T15:27:47.358000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-400"],"nvd_references":["https://github.com/encode/starlette/security/advisories/GHSA-74m5-2c7w-9w3x","https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa","https://vulncheck.com/advisories/starlette-multipartparser-dos"],"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":"2026-06-29T01:30:25.178791Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"encode","vendor_name":"encode","product_slug":"starlette","product_name":"starlette","version_start":"0","version_start_inclusive":true,"version_end":"0.25.0","version_end_inclusive":false,"cpe23_uri":"cve5:encode:starlette:0:0.25.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/encode/starlette/security/advisories/GHSA-74m5-2c7w-9w3x","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa","source_type":"PATCH","tags":["patch"]},{"url":"https://vulncheck.com/advisories/starlette-multipartparser-dos","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2023-04-21T15:27:47.358000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:28:06.953192Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:28:06.953192Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:28:06.953192Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:30:25.178791Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:30:25.178791Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:30:25.178791Z","label":"SSVC decision revised","source":"vulnrichment"}]}