{"cve":{"cve_id":"CVE-2021-28588","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":0.06215,"epss_percentile":0.92607,"epss_as_of":"2026-06-23","description":"Adobe RoboHelp Server version 2019.0.9 (and earlier) is affected by a Path Traversal vulnerability when parsing a crafted HTTP POST request. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.","published_at":"2021-06-28T14:13:14.965000Z","last_modified_at":null,"cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","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-22"],"nvd_references":["https://www.zerodayinitiative.com/advisories/ZDI-21-660/"],"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":"2026-06-28T23:15:25.251935Z"},"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":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"adobe","vendor_name":"Adobe","product_slug":"robohelp-server","product_name":"RoboHelp Server","version_start":"unspecified","version_start_inclusive":true,"version_end":"2019.0.9","version_end_inclusive":true,"cpe23_uri":"cve5:adobe:robohelp-server:unspecified:2019.0.9"},{"vendor_slug":"adobe","vendor_name":"Adobe","product_slug":"robohelp-server","product_name":"RoboHelp Server","version_start":"unspecified","version_start_inclusive":true,"version_end":"None","version_end_inclusive":true,"cpe23_uri":"cve5:adobe:robohelp-server:unspecified:None"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-660/","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2021-06-28T14:13:14.965000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:17:54.413810Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:17:54.413810Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:17:54.413810Z","label":"CVSS score revised","source":"cvelistv5"}]}