Vulnerability identifier: #VU51251

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14504

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
1734-AENTR Series B
Hardware solutions / Firmware
1734-AENTR Series c
Hardware solutions / Firmware

Vendor: Rockwell Automation

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 send a specially crafted request and modificate the configuration settings.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

1734-AENTR Series B: 4.001 - 5.017

1734-AENTR Series c: 6.011 - 6.012

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-063-01

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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.