{"cve":{"cve_id":"CVE-2023-3804","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":0.00742,"epss_percentile":0.49845,"epss_as_of":"2026-06-23","description":"A vulnerability classified as problematic was found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. This vulnerability affects unknown code of the file /Service/FileHandler.ashx. The manipulation of the argument userFile leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235072. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","published_at":"2023-07-21T01:00:04.439000Z","last_modified_at":null,"cvss_v3_score":5.5,"cvss_v3_vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cvss_v3_severity":"MEDIUM","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":["CWE-434"],"nvd_references":["https://vuldb.com/?id.235072","https://vuldb.com/?ctiid.235072","https://github.com/yueying638/cve/blob/main/upload.md"],"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":"2026-06-28T23:20:21.833451Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"chengdu","vendor_name":"Chengdu","product_slug":"flash-flood-disaster-monitoring-and-warning-system","product_name":"Flash Flood Disaster Monitoring and Warning System","version_start":"2.0","version_start_inclusive":true,"version_end":"2.0","version_end_inclusive":true,"cpe23_uri":"cve5:chengdu:flash-flood-disaster-monitoring-and-warning-system:2.0:2.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://vuldb.com/?id.235072","source_type":"MISC","tags":[]},{"url":"https://vuldb.com/?ctiid.235072","source_type":"MISC","tags":[]},{"url":"https://github.com/yueying638/cve/blob/main/upload.md","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-07-21T01:00:04.439000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:29:37.820895Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:37.820895Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:37.820895Z","label":"CVSS score revised","source":"cvelistv5"}]}