CVE-2023-23901
CVE-2023-23901 is a medium-severity vulnerability in Seiko-sol Skybridge Basic Mb-a130 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Seiko-sol Skybridge Basic Mb-a130 Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-23901?
- 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.
- How severe is CVE-2023-23901?
- CVE-2023-23901 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-23901 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-23901?
- CVE-2023-23901 primarily affects Seiko-sol Skybridge Basic Mb-a130 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-23901?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-23901 published?
- CVE-2023-23901 was published on 2023-05-10 and last updated on 2026-06-17.
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/
Affected products (2)
- cpe:2.3:o:seiko-sol:skybridge_basic_mb-a130_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:seiko-sol:skybridge_mb-a200_firmware:*:*:*:*:*:*:*:*
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