{"cve_id":"CVE-2023-4966","published":"2023-10-10T14:15:10.977000+00:00","last_modified":"2026-07-31T04:16:44.230000+00:00","vuln_status":"Analyzed","description":"Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  virtual server.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","base_score":7.5,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"NONE","impact_a":"NONE","cwe_ids":["CWE-119"],"in_kev":true,"kev_date_added":"2023-10-18","kev_ransomware":true,"epss_score":0.99999,"epss_percentile":0.99997,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC","INFO_DISCLOSURE"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:39:30.644357+00:00","first_seen":"2023-10-10T14:15:10.977000+00:00","kev_first_seen":"2023-10-18T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["citrix"],"products":["netscaler_application_delivery_controller","netscaler_gateway"],"affected":[{"vendor":"citrix","product":"netscaler_application_delivery_controller","ranges":["≥ 12.1 and < 12.1-55.300","≥ 13.0 and < 13.0-92.19","≥ 13.1 and < 13.1-37.164","≥ 13.1 and < 13.1-49.15","≥ 14.1 and < 14.1-8.50"]},{"vendor":"citrix","product":"netscaler_gateway","ranges":["≥ 13.0 and < 13.0-92.19","≥ 13.1 and < 13.1-49.15","≥ 14.1 and < 14.1-8.50"]}]}