Vulnerability identifier: #VU11872

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-12124

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDR-810
Server applications / SCADA systems

Vendor: Moxa

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the web server functionality due to NULL pointer dereference. A remote attacker can submit a specially crafted HTTP URI and cause the service to crash.

Mitigation
Update to version 4.2.

Vulnerable software versions

Moxa EDR-810: 4.1

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0476

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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. However, proof of concept for this vulnerability is available.