CVE-2023-23901 Security feature bypass in SkyBridge MB-A200 and SkyBridge BASIC MB-A130

Medium 4.8 Published 10 May 2023 Updated 28 Jan 2025

Remote attackers can bypass certificate validation to eavesdrop on or alter WebUI communications on SkyBridge devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23901?

CVE-2023-23901 is a medium-severity vulnerability in Seiko Solutions Inc. SkyBridge MB-A200 and SkyBridge BASIC MB-A130, published on 10 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper following of a certificate's chain of trust exists in SkyBridge MB-A200 firmware Ver. 01.00.05 and earlier, and SkyBridge BASIC MB-A130 firmware Ver. 1.4.1 and earlier, which may allow a remote unauthenticated attacker to eavesdrop on or alter the communication sent to the WebUI of the product.

Weakness: CWE-295

Which versions are affected by CVE-2023-23901?

It affects 2 products.

Products include Seiko-Sol Skybridge Basic Mb-A130 Firmware, Seiko-Sol Skybridge Mb-A200 Firmware.

How do I fix CVE-2023-23901?

No fix has been published for CVE-2023-23901 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-23901 being exploited?

There is no known exploitation of CVE-2023-23901 in the wild and no public exploit code.

Sources

Also known as GHSA-m4jm-xmcc-hjcm.