Published Date: 3/25/2025
Revision Number: 1.0
The security of our products is important to us as your chosen industrial automation supplier. This anomaly was found internally during routine testing and is being reported based on our commitment to customer transparency and to improve their business or production environments.
AFFECTED PRODUCTS AND SOLUTION
Affected Product |
Affected Versions |
Corrected in Software Version |
440G TLS-Z |
v6.001 |
n/a – see mitigations |
Mitigations and Workarounds
Customers using the affected software are encouraged to apply the risk mitigations, if possible.
· Limit physical access to authorized personnel: Control room, cells/areas, control panels, and devices. See Chapter 4, Harden the Control System of System Security Design Guidelines
· For information on how to mitigate Security Risks on industrial automation control systems, we encourage customers to implement our suggested security best practices to minimize the risk of the vulnerability.
VULNERABILITY DETAILS
Rockwell Automation used the latest version of the CVSS scoring system to assess the following vulnerabilities.
CVE 2020-27212 IMPACT
A local code execution vulnerability exists in the STMicroelectronics STM32L4 devices due to having incorrect access controls. The affected product utilizes the STMicroelectronics STM32L4 device and because of the vulnerability, a threat actor could reverse protections that control access to the JTAG interface. If exploited, a threat actor can take over the device.
CVSS 3.1 Base Score: 7.0
CVSS 3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 Base Score: 7.3
CVSS 4.0 Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE:1395-Dependency of a third-party Component & CWE 74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CPE: cpe:2.3:h:st:stm32l431rc:-:*:*:*:*:*:*:*
Known Exploited Vulnerability (KEV) database: No
Customers can use Stakeholder-Specific Vulnerability Categorization to generate more environment-specific prioritization.
