{"cve":{"cve_id":"CVE-2020-8472","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":0.00267,"epss_percentile":0.18088,"epss_as_of":"2026-06-23","description":"Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.","published_at":"2020-04-28T23:52:41Z","last_modified_at":null,"cvss_v3_score":5.5,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","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-732"],"nvd_references":["https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch"],"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":"2026-06-28T23:14:36.718405Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"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":"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":"abb","vendor_name":"ABB","product_slug":"base-software-for-softcontrol","product_name":"Base Software for SoftControl","version_start":"6.1 and earlier","version_start_inclusive":true,"version_end":"6.1 and earlier","version_end_inclusive":true,"cpe23_uri":"cve5:abb:base-software-for-softcontrol:6.1 and earlier:6.1 and earlier"},{"vendor_slug":"abb","vendor_name":"ABB","product_slug":"control-builder-m-professional","product_name":"Control Builder M Professional","version_start":"6.1 and earlier","version_start_inclusive":true,"version_end":"6.1 and earlier","version_end_inclusive":true,"cpe23_uri":"cve5:abb:control-builder-m-professional:6.1 and earlier:6.1 and earlier"},{"vendor_slug":"abb","vendor_name":"ABB","product_slug":"mms-server-for-ac-800m","product_name":"MMS Server for AC 800M","version_start":"6.1 and earlier","version_start_inclusive":true,"version_end":"6.1 and earlier","version_end_inclusive":true,"cpe23_uri":"cve5:abb:mms-server-for-ac-800m:6.1 and earlier:6.1 and earlier"},{"vendor_slug":"abb","vendor_name":"ABB","product_slug":"opc-server-for-ac-800m","product_name":"OPC Server for AC 800M","version_start":"6.0 and earlier","version_start_inclusive":true,"version_end":"6.0 and earlier","version_end_inclusive":true,"cpe23_uri":"cve5:abb:opc-server-for-ac-800m:6.0 and earlier:6.0 and earlier"}],"exploit_refs":[],"news":[],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2020-04-28T23:52:41Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:04:28.962015Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:28.962015Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:28.962015Z","label":"CVSS score revised","source":"cvelistv5"}]}