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Information disclosure in Moxa NPort 5100A Series

Published: 2020-04-29
Severity Medium
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2020-12117
Exploitation vector Network
Public exploit N/A
Vulnerable software
NPort 5100A
Hardware solutions / Firmware

Vendor Moxa

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Information disclosure

Severity: Medium

CVSSv3: 6.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C] [PCI]

CVE-ID: CVE-2020-12117

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to and error in NPort 5100A Series Serial Device Server. A remote attacker can gain unauthorized access to the serial port configurations of the device.


Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NPort 5100A: 1.2, 1.3, 1.4, 1.5

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.