CVE-2020-6980 Information disclosure in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
Local attackers can read SMTP credentials stored in cleartext within project files, exposing sensitive authentication data in Rockwell Automation PLCs and engineering software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-6980?
CVE-2020-6980 is a low-severity vulnerability in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, published on 16 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, If Simple Mail Transfer Protocol (SMTP) account data is saved in RSLogix 500, a local attacker with access to a victim’s project may be able to gather SMTP server authentication data as it is written to the project file in cleartext.
Weakness: CWE-312
Which versions are affected by CVE-2020-6980?
It affects 4 products.
Products include Rockwellautomation Micrologix 1100 Firmware, Rockwellautomation Micrologix 1400 a Firmware, Rockwellautomation Micrologix 1400 B Firmware, Rockwellautomation Rslogix 500.
How do I fix CVE-2020-6980?
No fix has been published for CVE-2020-6980 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-6980 being exploited?
There is no known exploitation of CVE-2020-6980 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
- CVE-2020-6984 Weak cryptography in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
- CVE-2020-6990 Hardcoded credentials in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
- CVE-2015-6490 Memory corruption in n/a
- CVE-2022-3166 MicroLogix 1100 & 1400 Product Web Server Application Vulnerable to Denial-Of-Service Condition Attack
- CVE-2021-33012 Denial of service in Rockwell Automation MicroLogix 1100
Sources
Also known as GHSA-5cqw-2967-vc56.