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CVE-2021-44255

25
FAUCET Score

CVE-2021-44255 is an authenticated remote code execution vulnerability affecting MotionEye <= 0.42.1 and MotionEyeOS <= 20200606. An attacker with high privileges can upload a malicious Python pickle file within a configuration backup, leading to arbitrary code execution on the server. With a CVSS score of 7.2 (HIGH), this vulnerability has low attack complexity and can result in high impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.42.1CPE matchmatch criteria
cpe:2.3:a:motioneye_project:motioneye:*:*:*:*:*:*:*:*
< 20200606CPE matchmatch criteria
cpe:2.3:o:motioneyeos_project:motioneyeos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.95%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0295 is in the 84th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Advisories (1)

pipGHSA-m2c7-42rf-c62fhigh

Unrestricted Upload of File with Dangerous Type in motionEye

Feb 1, 2022

References

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