Vulnerability identifier: #VU22578

Vulnerability risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-6846

CWE-ID: CWE-319

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Modicon M340
Hardware solutions / Firmware
Modicon M580
Hardware solutions / Firmware
Modicon 140CRA modules
Hardware solutions / Firmware
Modicon BMxCRA modules
Hardware solutions / Firmware

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information when using the FTP protocol. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

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

Vulnerable software versions

Modicon M340: All versions

Modicon M580: All versions

Modicon 140CRA modules: All versions

Modicon BMxCRA modules: All versions

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External links
http://www.schneider-electric.com/ww/en/download/document/SEVD-2019-281-02

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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.