#VU25663 Cross-site request forgery in Moxa products - CVE-2019-9102

Vulnerability identifier: #VU25663

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-9102

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa MGate MB3170 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3270 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
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 MB3660 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in a predictable mechanism of generating tokens. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa MGate MB3170 Series: 1.0 - 4.0

Moxa MGate MB3270 Series: 1.0 - 4.0

Moxa MGate MB3180 Series: 1.0 - 2.0

Moxa MGate MB3280 Series: 1.0 - 3.0

Moxa MGate MB3480 Series: 1.0 - 3.0

Moxa MGate MB3660 Series: 1.0 - 2.2

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-056-01
https://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-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.