Is CVE-2021-44255 in the CISA KEV catalog?

No. CVE-2021-44255 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-44255?

CVE-2021-44255 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-44255?

CVE-2021-44255 has an EPSS score of 2.95% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-44255?

Upgrade motioneye to 0.42.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-44255

HIGHEPSS 85th pctl

7.2

CVSS v3

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.

CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

motioneyeNVD

Affected:< 0.42.1Fixed in:0.42.1CVE-2021-44255derived from NVD

motioneyeosNVD

Affected:< 20200606Fixed in:20200606CVE-2021-44255derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.95%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-
CVE-2023-21839	High	7.5	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.