CVE-2023-23901: Improper following of a certificate's chain of trust exists in SkyBridge MB-A200 firmware Ver
CVE-2023-23901 is a medium-severity flaw (CVSS 6.5) affecting skybridge basic mb-a130 firmware, skybridge mb-a200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2023-05-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-23901?
skybridge basic mb-a130 firmware: upgrade to newer than 1.4.1; skybridge mb-a200 firmware: upgrade to newer than 01.00.05. Exact commands for each OS are on this page.
Is CVE-2023-23901 being exploited?
CVE-2023-23901 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-23901 affect?
CVE-2023-23901 affects skybridge basic mb-a130 firmware, skybridge mb-a200 firmware. Severity is medium (CVSS 6.5). 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
How urgent is CVE-2023-23901?
Priority 38/100. Remotely exploitable, no login, no user action
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