{"id":"CVE-2021-44255","aliases":["GHSA-m2c7-42rf-c62f","PYSEC-2026-681"],"url":"https://o3.security/vulnerability/CVE-2021-44255","summary":"Unrestricted Upload of File with Dangerous Type in motionEye","details":"Authenticated remote code execution in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file which will execute arbitrary code on the server.","published":"2022-01-31T12:15:07.767Z","modified":"2026-08-07T11:31:31.394036664Z","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"motioneye","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/"},{"type":"REPORT","url":"https://github.com/ccrisan/motioneyeos/issues/2843"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:31.394036664Z"}}