Hidden functionality in Triconex TriStation 1131 - CVE-2020-7485
Published: July 24, 2020
Vulnerability identifier: #VU31812
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7485
CWE-ID: CWE-912
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system
The vulnerability exists due to hidden functionality (backdoor) is present in software, related to a legacy support account. A local user can use this functionality to inappropriate access to the TriStation 1131 project file.
Affected software
Triconex TriStation 1131
How to mitigate CVE-2020-7485
Install updates from vendor's website.
Triconex TriStation 1131 - addressed in versions 4.9.1, 4.10.1