{"cve":{"cve_id":"CVE-2017-20238","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":0.00237,"epss_percentile":0.14412,"epss_as_of":"2026-06-23","description":"Hirschmann Industrial HiVision versions 06.0.00 and 07.0.00 prior to 06.0.06 and 07.0.01 contains an improper authorization vulnerability that allows read-only users to gain write access to managed devices by bypassing access control mechanisms. Attackers can exploit alternative interfaces such as the web interface or SNMP browser to modify device configurations despite having restricted permissions.","published_at":"2026-04-03T22:10:18.157000Z","last_modified_at":null,"cvss_v3_score":7.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":7.1,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-285"],"nvd_references":["https://assets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdf","https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalation"],"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":"2026-06-28T23:09:55.104345Z"},"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":"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":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"belden","vendor_name":"Belden","product_slug":"hirschmann-industrial-hivision","product_name":"Hirschmann Industrial HiVision","version_start":"06.0.06","version_start_inclusive":true,"version_end":"06.0.06","version_end_inclusive":true,"cpe23_uri":"cve5:belden:hirschmann-industrial-hivision:06.0.06:06.0.06"},{"vendor_slug":"belden","vendor_name":"Belden","product_slug":"hirschmann-industrial-hivision","product_name":"Hirschmann Industrial HiVision","version_start":"07.0.01","version_start_inclusive":true,"version_end":"07.0.01","version_end_inclusive":true,"cpe23_uri":"cve5:belden:hirschmann-industrial-hivision:07.0.01:07.0.01"},{"vendor_slug":"belden","vendor_name":"Belden","product_slug":"hirschmann-industrial-hivision","product_name":"Hirschmann Industrial HiVision","version_start":"06.0.00","version_start_inclusive":true,"version_end":"06.0.05","version_end_inclusive":true,"cpe23_uri":"cve5:belden:hirschmann-industrial-hivision:06.0.00:06.0.05"},{"vendor_slug":"belden","vendor_name":"Belden","product_slug":"hirschmann-industrial-hivision","product_name":"Hirschmann Industrial HiVision","version_start":"0","version_start_inclusive":true,"version_end":"07.00","version_end_inclusive":true,"cpe23_uri":"cve5:belden:hirschmann-industrial-hivision:0:07.00"}],"exploit_refs":[],"news":[],"references":[{"url":"https://assets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdf","source_type":"MISC","tags":[]},{"url":"https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalation","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-04-03T22:10:18.157000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-06-24T00:31:08.600596Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:08.600596Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:08.600596Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:08.600596Z","label":"CVSS score revised","source":"vulnrichment"}]}