{"cve_id":"CVE-2018-19410","published":"2018-11-21T16:29:00.347000+00:00","last_modified":"2026-06-17T01:49:15.640000+00:00","vuln_status":"Analyzed","description":"PRTG Network Monitor before 18.2.40.1683 allows remote unauthenticated attackers to create users with read-write privileges (including administrator). A remote unauthenticated user can craft an HTTP request and override attributes of the 'include' directive in /public/login.htm and perform a Local File Inclusion attack, by including /api/addusers and executing it. By providing the 'id' and 'users' parameters, an unauthenticated attacker can create a user with read-write privileges (including administrator).","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":[],"in_kev":true,"kev_date_added":"2025-02-04","kev_ransomware":false,"epss_score":0.97939,"epss_percentile":0.99909,"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"],"terminal":false,"cap_confidence":"medium","ingested_at":"2026-09-18T08:53:24.036797+00:00","first_seen":"2018-11-21T16:29:00.347000+00:00","kev_first_seen":"2025-02-04T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["paessler"],"products":["prtg_network_monitor"],"affected":[{"vendor":"paessler","product":"prtg_network_monitor","ranges":["< 18.2.40.1683"]}]}