Permissions, Privileges, and Access Controls in 800xA Base - CVE-2020-8474

 

Permissions, Privileges, and Access Controls in 800xA Base - CVE-2020-8474

Published: April 27, 2020 / Updated: June 3, 2020


Vulnerability identifier: #VU27361
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-2020-8474
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: ABB
Affected software:
800xA Base

Detailed vulnerability description

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

The vulnerability exists due to weak Registry Key permissions. A local user can modify the system-wide configuration, which would lead to the arbitrary loading and execution of a DLL when certain ABB programs are opened, leading to privilege escalation.


How to mitigate CVE-2020-8474

Install updates from vendor's website.

Sources