#VU52688 Unprotected storage of credentials in Moxa products - CVE-2020-27150

Vulnerability identifier: #VU52688

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-27150

CWE-ID: CWE-256

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NPort IA5150A Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
NPort IA5250A Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
NPort IA5450A Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to gain access to other users' credentials.

The vulnerability exists due to unprotected storage of credentials. A remote attacker can extract authentication credentials from a configuration file sent over an insecure communication channel and change the device’s configurations.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NPort IA5150A Series: 1.4

NPort IA5250A Series : 1.4

NPort IA5450A Series: 1.7

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External links
https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-019

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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.