What’s Vulnerable › Vulnerabilities

CVE-2023-23901

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-10 · updated 2026-06-17
• Weakness: CWE-295

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.

Affected products

• Seiko-Sol Skybridge Basic Mb-A130 Firmware: through 1.4.1
• Seiko Solutions Inc. SkyBridge MB-A200: through 01.00.05

References

• https://jvn.jp/en/jp/JVN40604023/
• https://www.seiko-sol.co.jp/archives/73969/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200/
• https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210/
• https://jvn.jp/en/jp/JVN40604023/
• https://www.seiko-sol.co.jp/archives/73969/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130/
• https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200/
• https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210/

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