Information disclosure in Moxa NPort 5100A Series

1) Information disclosure

EUVDB-ID: #VU27429

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-12117

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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.

Mitigation

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

Vulnerable software versions

NPort 5100A: 1.2 - 1.5

CPE2.3

• cpe:2.3:h:moxa:nport_5100a:1.2:*:*:*:*:*:*:*
• cpe:2.3:h:moxa:nport_5100a:1.3:*:*:*:*:*:*:*
• cpe:2.3:h:moxa:nport_5100a:1.4:*:*:*:*:*:*:*

External links

http://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability

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.