Back
CVE-2023-23906
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote…
High7.5EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
Description
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Missing authentication for critical function
- CWE-306 Missing Authentication for Critical Function (opens in a new tab)All about CWE-306 and its CVEs
Affected products
Seiko Solutions Inc. · SkyBridge MB-A100/110
- affected firmware Ver. 4.2.0 and earlier
References (6)
- https://www.seiko-sol.co.jp/archives/73969/ (opens in a new tab)x_transferred
- https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100/ (opens in a new tab)x_transferred
- https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200/ (opens in a new tab)x_transferred
- https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130/ (opens in a new tab)x_transferred
- https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210/ (opens in a new tab)x_transferred
- https://jvn.jp/en/jp/JVN40604023/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-23906)Record last updated .