Vulnerability identifier: #VU21481

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-6810

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BMXNOR0200H Ethernet / Serial RTU module
Hardware solutions / Firmware

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can cause the execution of commands when using IEC 60870-5-104 protocol.

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

Vulnerable software versions

BMXNOR0200H Ethernet / Serial RTU module: All versions

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External links
http://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/

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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.