{"id":"CVE-2021-44255","aliases":["EUVD-2022-1086","GHSA-m2c7-42rf-c62f","PYSEC-2026-681"],"status":"published","title":"Unrestricted Upload of File with Dangerous Type in motionEye","description":"Authenticated remote code execution in MotionEye \u003c= 0.42.1 and MotioneEyeOS \u003c= 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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03138,"percentile":0.88065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-306","CWE-434"],"published":"2022-01-31T11:18:20Z","modified":"2026-10-24T10:50:26Z","exploits":[{"source":"pocgithub","id":"pizza-power/motioneye-authenticated-RCE","title":"pizza-power/motioneye-authenticated-RCE","date":"2021-10-22","url":"https://github.com/pizza-power/motioneye-authenticated-RCE"}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.42.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.42.1"}]}],"versions":["0.27","0.27.1","0.27.2","0.28","0.28.1","0.28.2","0.28.3","0.29","0.29.1","0.29rc1","0.29rc2","0.30","0.30rc1","0.30rc2","0.31","0.31.1","0.31.2","0.31.3","0.31.4","0.31.5","0.32","0.32.1","0.32.2","0.33","0.33.1","0.33.2","0.33.3","0.33.4","0.34","0.34.1","0.34rc1","0.35","0.35.1","0.35.2","0.35rc1","0.36","0.36.1","0.37","0.37.1","0.37rc1","0.38","0.38.1","0.39","0.39.1","0.39.2","0.39.3","0.40","0.40rc1","0.40rc2","0.40rc3","0.40rc4","0.40rc5","0.41","0.41rc1","0.42","0.42.1"]},{"source":"osv","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.42.1"}]}],"versions":["0.27","0.27.1","0.27.2","0.28","0.28.1","0.28.2","0.28.3","0.29","0.29.1","0.29rc1","0.29rc2","0.30","0.30rc1","0.30rc2","0.31","0.31.1","0.31.2","0.31.3","0.31.4","0.31.5","0.32","0.32.1","0.32.2","0.33","0.33.1","0.33.2","0.33.3","0.33.4","0.34","0.34.1","0.34rc1","0.35","0.35.1","0.35.2","0.35rc1","0.36","0.36.1","0.37","0.37.1","0.37rc1","0.38","0.38.1","0.39","0.39.1","0.39.2","0.39.3","0.40","0.40rc1","0.40rc2","0.40rc3","0.40rc4","0.40rc5","0.41","0.41rc1","0.42","0.42.1"]}],"products":[{"vendor":"motioneye_project","product":"motioneye"},{"vendor":"motioneyeos_project","product":"motioneyeos"}],"references":[{"url":"https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/ccrisan/motioneyeos/issues/2843","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44255","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m2c7-42rf-c62f","tags":["advisory"]},{"url":"https://github.com/ccrisan/motioneye","tags":["package"]},{"url":"https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye","tags":["web"]},{"url":"https://pypi.org/project/motioneye","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-44255","description":"Authenticated remote code execution in MotionEye \u003c= 0.42.1 and MotioneEyeOS \u003c= 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.","status":"published","published":"2022-01-31T11:18:20Z","modified":"2024-08-04T04:17:25.071Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2022-1086","description":"Authenticated remote code execution in MotionEye \u003c= 0.42.1 and MotioneEyeOS \u003c= 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.","status":"published","published":"2022-01-31T11:18:20Z","modified":"2024-08-04T04:17:25Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-m2c7-42rf-c62f","title":"Unrestricted Upload of File with Dangerous Type in motionEye","description":"motionEye \u003c= 0.42.1 and motioneEyeOS \u003c= 20200606 allow a remote attacker to upload a configuration backup file containing a malicious python pickle file. This is possible when an installation is accessible over the Internet and uses no or poor authentication credentials.\n\nThe GitHub repositories for motionEye and motionEyeOS are no longer being actively maintained as of January 2022, so release of a patched version is unlikely. Keeping a motionEye or motionEyeOS installation off of the Internet and/or using strong credentials provide protection against this issue.","status":"published","published":"2022-02-01T00:00:44Z","modified":"2023-02-03T05:05:26Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:36:42.703723Z"}],"nvd":[{"id":"CVE-2021-44255","description":"Authenticated remote code execution in MotionEye \u003c= 0.42.1 and MotioneEyeOS \u003c= 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.","status":"published","published":"2022-01-31T12:15:07.767Z","modified":"2026-06-17T04:12:07.28Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:04.178977Z"}],"osv":[{"id":"CVE-2021-44255","description":"Authenticated remote code execution in MotionEye \u003c= 0.42.1 and MotioneEyeOS \u003c= 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.","status":"published","published":"2022-01-31T12:15:07.767Z","modified":"2026-10-24T10:50:26.802750644Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-m2c7-42rf-c62f","title":"Unrestricted Upload of File with Dangerous Type in motionEye","description":"motionEye \u003c= 0.42.1 and motioneEyeOS \u003c= 20200606 allow a remote attacker to upload a configuration backup file containing a malicious python pickle file. This is possible when an installation is accessible over the Internet and uses no or poor authentication credentials.\n\nThe GitHub repositories for motionEye and motionEyeOS are no longer being actively maintained as of January 2022, so release of a patched version is unlikely. Keeping a motionEye or motionEyeOS installation off of the Internet and/or using strong credentials provide protection against this issue.","status":"published","published":"2022-02-01T00:00:44Z","modified":"2026-07-06T08:11:37.92325883Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:51.10002Z"},{"id":"PYSEC-2026-681","title":"Unrestricted Upload of File with Dangerous Type in motionEye","description":"motionEye \u003c= 0.42.1 and motioneEyeOS \u003c= 20200606 allow a remote attacker to upload a configuration backup file containing a malicious python pickle file. This is possible when an installation is accessible over the Internet and uses no or poor authentication credentials.\n\nThe GitHub repositories for motionEye and motionEyeOS are no longer being actively maintained as of January 2022, so release of a patched version is unlikely. Keeping a motionEye or motionEyeOS installation off of the Internet and/or using strong credentials provide protection against this issue.","status":"published","published":"2026-07-02T14:13:15.109139Z","modified":"2026-07-06T08:00:39.999549385Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.117212Z"}]}}