Cyber Resilience

CVE-2021-3555

HighPublic PoC

Published: 31 May 2022

Published
31 May 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.6 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0031 54.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3555 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Eufylife Solo Indoorcam C24 Firmware. Its CVSS base score is 7.6 (High).

Operationally, ranked in the top 45.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

eufylife
solo indoorcam c24 firmware
≤ 2.0.9.3
eufylife
solo indoorcam p24 firmware
≤ 2.0.9.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References