{"cve":{"cve_id":"CVE-2023-39469","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":0.5809,"epss_percentile":0.98969,"epss_as_of":"2026-06-23","description":"PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the External User Lookup functionality. The issue results from the lack of proper validation of a user-supplied string before using it to execute Java code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-21013.","published_at":"2024-05-03T01:59:31.060000Z","last_modified_at":null,"cvss_v3_score":7.2,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/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":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-94"],"nvd_references":["https://www.zerodayinitiative.com/advisories/ZDI-23-1285/","https://www.papercut.com/kb/Main/SecurityBulletinJuly2023/"],"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":"2026-06-29T01:35:19.624544Z"},"effective_severity":"HIGH","badges":["epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","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":"H","value_label":"High"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"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":"papercut","vendor_name":"PaperCut","product_slug":"ng","product_name":"NG","version_start":"22.0.12","version_start_inclusive":true,"version_end":"22.0.12","version_end_inclusive":true,"cpe23_uri":"cve5:papercut:ng:22.0.12:22.0.12"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1285/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.papercut.com/kb/Main/SecurityBulletinJuly2023/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-05-03T01:59:31.060000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:29:28.891979Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:28.891979Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:28.891979Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:35:19.624544Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:35:19.624544Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:35:19.624544Z","label":"SSVC decision revised","source":"vulnrichment"}]}