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 v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2020-12510
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Beckhoff
Affected software:
TwinCAT
TwinCAT
Detailed vulnerability description
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.
How to mitigate CVE-2020-12510
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.