CVE-2021-44255 json
Unrestricted Upload of File with Dangerous Type in motionEye
published 2022-01-31 4 y ago modified 2026-07-06 4 mo ago also GHSA-m2c7-42rf-c62f , PYSEC-2026-681 , EUVD-2022-1086
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- motioneye_project motioneye 0.42.1
- motioneyeos_project motioneyeos 20200606
Exploit prediction
3.14% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| OSV | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | motioneye | <=0.42.1 |
no fix listed |
Classification
References
-
pizzapower.me
/2021/10/09/self-hosted-security-part-1-motioneye/
third-party-advisory
-
github.com
/ccrisan/motioneyeos/issues/2843
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-44255
advisory
-
github.com
/ccrisan/motioneye
package
-
pizzapower.me
/2021/10/09/self-hosted-security-part-1-motioneye
web
-
pypi.org
/project/motioneye
package
-
github.com
/advisories/GHSA-m2c7-42rf-c62f
advisory
Sources
- CVE List CVE-2021-44255
- GitHub Advisory GHSA-m2c7-42rf-c62f
- NVD CVE-2021-44255
- OSV PYSEC-2026-681
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.