Permissions, Privileges, and Access Controls in TwinCAT - CVE-2020-12510

 

Permissions, Privileges, and Access Controls in TwinCAT - CVE-2020-12510

Published: November 19, 2020 / Updated: November 24, 2020


Vulnerability identifier: #VU48625
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-12510
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the TcSysUI.exe. A local user can replace a specially crafted file and execute arbitrary code with elevated privileges.


Affected software

TwinCAT

How to mitigate CVE-2020-12510

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins