{"cve":{"cve_id":"CVE-2023-27857","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":0.18335,"epss_percentile":0.96854,"epss_as_of":"2026-06-23","description":"\n In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field\n\n\n\n in Rockwell Automation's ThinManager ThinServer.  An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.\n\n\n\n \n\n","published_at":"2023-03-22T00:00:18.344000Z","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-125"],"nvd_references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640"],"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":"2026-06-29T01:28:33.973490Z"},"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":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"6.x - 10.x","version_start_inclusive":true,"version_end":"6.x - 10.x","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:6.x - 10.x:6.x - 10.x"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"11.0.0 - 11.0.5","version_start_inclusive":true,"version_end":"11.0.0 - 11.0.5","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:11.0.0 - 11.0.5:11.0.0 - 11.0.5"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"11.1.0 - 11.1.5","version_start_inclusive":true,"version_end":"11.1.0 - 11.1.5","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:11.1.0 - 11.1.5:11.1.0 - 11.1.5"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"11.2.0 - 11.2.6","version_start_inclusive":true,"version_end":"11.2.0 - 11.2.6","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:11.2.0 - 11.2.6:11.2.0 - 11.2.6"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"12.0.0 - 12.0.4","version_start_inclusive":true,"version_end":"12.0.0 - 12.0.4","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:12.0.0 - 12.0.4:12.0.0 - 12.0.4"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"12.1.0 - 12.1.5","version_start_inclusive":true,"version_end":"12.1.0 - 12.1.5","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:12.1.0 - 12.1.5:12.1.0 - 12.1.5"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"thinmanager-thinserver","product_name":"ThinManager® ThinServer™","version_start":"13.0.0 - 13.0.1","version_start_inclusive":true,"version_end":"13.0.0 - 13.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:thinmanager-thinserver:13.0.0 - 13.0.1:13.0.0 - 13.0.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-03-22T00:00:18.344000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"}]}