CVE-2020-5536

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-03-04 · updated 2026-06-17
Weakness: CWE-287

Description

OpenBlocks IoT VX2 prior to Ver.4.0.0 (Ver.3 Series) allows an attacker on the same network segment to bypass authentication and to initialize the device via unspecified vectors.

Affected products

Plat'Home Co.,Ltd. OpenBlocks IoT VX2: from 3.3.0 before 4.0.0 — fixed in 4.0.0

How to fix

Upgrade to a fixed version: Plat'Home Co.,Ltd. OpenBlocks IoT VX2 4.0.0. Check the vendor advisory for mitigations.

References

https://jvn.jp/en/jp/JVN19666251/index.html
https://www.plathome.co.jp/software/vx2-v4-0-0/
https://jvn.jp/en/jp/JVN19666251/index.html
https://www.plathome.co.jp/software/vx2-v4-0-0/

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