#VU25619 Use of hard-coded credentials in Moxa EDS-G516E and Moxa EDS-510E - CVE-2020-6981

Vulnerability identifier: #VU25619

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-6981

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDS-G516E
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa EDS-510E
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa EDS-G516E: 5.2

Moxa EDS-510E: 5.2

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-056-04
https://www.moxa.com/en/support/support/security-advisory/eds-g516e-510e-ethernet-switches-vulnerabilities

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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.