Vulnerability identifier: #VU25611

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-6985

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PT-7528 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-7828 Series
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 for access to the console.

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

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

Vulnerable software versions

PT-7528 Series: 4.0

PT-7828 Series: 3.9

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-056-03
http://www.moxa.com/en/support/support/security-advisory/pt-7528-7828-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.