Cyber Resilience

CVE-2022-47758

CriticalPublic PoC

Published: 27 April 2023

Published
27 April 2023
Modified
31 January 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0189 83.6th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47758 is a critical-severity Improper Certificate Validation (CWE-295) vulnerability in Nanoleaf Nanoleaf Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 16.4% 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

Nanoleaf firmware v7.1.1 and below is missing TLS verification, allowing attackers to execute arbitrary code via a DNS hijacking attack.

CWE(s)

Related Threats

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

Affected Assets

nanoleaf
nanoleaf firmware
7.1.1

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.

addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References