SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-320314477] Moxa EDR-810 Industrial Secure Router Privilege Escalation Vulnerability

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2016-10-20NETWORKMoxa EDR-810Maxim RuppN/ACVE-2016-8346N/AN/AN/A

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# Moxa EDR-810 Industrial Secure Router Privilege Escalation Vulnerability
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### OVERVIEW

Independent researcher Maxim Rupp has identified a privilege escalation vulnerability in Moxa's EDR-810 Industrial Secure Router. Moxa has produced firmware to mitigate this vulnerability.

This vulnerability could be exploited remotely.





### AFFECTED PRODUCTS

The following EDR-810 versions are affected:

EDR-810 using firmware versions prior to V3.13





### IMPACT

Successful exploitation of  this vulnerability may allow a remote attacker to escalate privileges, initiate a denial-of-service condition, and execute arbitrary code.

Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation.





### BACKGROUND

Moxa is a Taiwan-based company that maintains offices in several countries around the world, including the US, UK, India, Germany, France, China, Russia, and Brazil.

The affected product, Moxa EDR-810 series, is an industrial multiport secure router with firewall/NAT/VPN and managed Layer 2 switch functions. It is designed for Ethernet-based security applications in sensitive remote control or monitoring networks. According to Moxa, these secure routers are deployed across several sectors, including, Critical Manufacturing, Energy, and Water and Wastewater Systems. Moxa estimates that these products are used globally but concentrated in the US, Europe, Chile, Argentina, Peru, Columbia, and Taiwan.





### VULNERABILITY CHARACTERIZATION


# VULNERABILITY OVERVIEW


PRIVILEGE ESCALATION

By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access configuration and log files.
CVE-2016-8346 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).





### VULNERABILITY DETAILS


# EXPLOITABILITY

This vulnerability could be exploited remotely.


# EXISTENCE OF EXPLOIT

Detailed vulnerability information is publicly available that could be used to develop an exploit that targets this vulnerability.


# DIFFICULTY

An attacker with a low skill would be able to exploit this vulnerability.




### MITIGATION

Moxa recommends affected users update EDR-810 firmware to Version V3.13 or later. The updated firmware is available to users upon request at:

http://www.moxa.com/support/request_support.aspx