{"id":"CVE-2021-40870","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-40870","summary":"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…","details":"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.","published":"2021-09-13T07:41:55.000Z","modified":"2025-10-21T23:25:33.924Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.93019,"percentile":0.99825,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":11,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021"},{"type":"WEB","url":"https://wearetradecraft.com/advisories/tc-2021-0002/"},{"type":"WEB","url":"http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40870"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2025-10-21T23:25:33.924Z"}}