Vulnerability identifier: #VU25735

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa MGate MB3180 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3280 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3480 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3170 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3270 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in authentication process. A remote attacker can bypass authentication by logging in with empty username/password and execute arbitrary actions with administrator privileges on an affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa MGate MB3180 Series: 1.0 - 1.8

Moxa MGate MB3280 Series: 1.0 - 2.8

Moxa MGate MB3480 Series: 1.0 - 2.6

Moxa MGate MB3170 Series: 1.0 - 2.5

Moxa MGate MB3270 Series: 1.0 - 2.8

---

External links
http://www.moxa.com/en/support/support/security-advisory/mgate-mb3180-3280-3480-3170-3270-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.