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Vulnerability record · CVE-2021-44255 · published 31 January 2022

CVE-2021-44255: Motioneye project motioneye missing authentication for critical function vulnerability

MMotioneye Project · Motioneye

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.

7.2 CVSS 3.1 High EPSS 3.1% · top 12.6% CWE-306 · Missing authentication for critical function
7.2CVSS 3.1 base score, v2 6.5
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ccrisan/motioneyeos/issues/2843 Issue TrackingThird Party Advisory
https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/ Third Party Advisory
https://github.com/ccrisan/motioneyeos/issues/2843 Issue TrackingThird Party Advisory
https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/ Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-44255), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.