#VU25992 Cleartext storage of sensitive information in Rockwell Automation products - CVE-2020-6980

Vulnerability identifier: #VU25992

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-6980

CWE-ID: CWE-312

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MicroLogix 1400 Controllers Series A
Client/Desktop applications / Software for system administration
MicroLogix 1400 Controllers Series B
Client/Desktop applications / Software for system administration
Allen-Bradley MicroLogix 1100
Hardware solutions / Office equipment, IP-phones, print servers
RSLogix 500 Software
Client/Desktop applications / Other client software

Vendor: Rockwell Automation

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists when Simple Mail Transfer Protocol (SMTP) account data is saved in RSLogix 500 due to sensitive information is written to the project file in cleartext. A local attacker with access to a victim’s project may be able to gather SMTP server authentication data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MicroLogix 1400 Controllers Series A: All versions

MicroLogix 1400 Controllers Series B: 21.001

Allen-Bradley MicroLogix 1100: All versions

RSLogix 500 Software: before 11.00.00

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-070-06

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.