{"cve_id":"CVE-2021-40870","published":"2021-09-13T08:15:13.913000+00:00","last_modified":"2026-06-17T04:07:34.377000+00:00","vuln_status":"Analyzed","description":"An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal.","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":["CWE-23"],"in_kev":true,"kev_date_added":"2022-01-18","kev_ransomware":false,"epss_score":0.93019,"epss_percentile":0.99832,"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":"2026-09-18T09:49:31.857362+00:00","first_seen":"2021-09-13T08:15:13.913000+00:00","kev_first_seen":"2022-01-18T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["aviatrix"],"products":["controller"],"affected":[{"vendor":"aviatrix","product":"controller","ranges":["≥ 6.2 and < 6.2.2043","≥ 6.3 and < 6.3.2490","≥ 6.4 and < 6.4.2838","≥ 6.5 and < 6.5.1922"]}]}