Vulnerability identifier: #VU25622

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:T/RC:C]

CVE-ID: CVE-2020-6989

CWE-ID: CWE-119

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 perform a denial of service (DoS) attack.

The vulnerability exists due to some of the parameters in the setting pages do not ensure text is the correct size for its buffer. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target 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
http://www.moxa.com/en/support/support/security-advisory/eds-g516e-510e-ethernet-switches-vulnerabi...
http://www.us-cert.gov/ics/advisories/icsa-20-056-04

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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