#VU27361 Permissions, Privileges, and Access Controls in 800xA Base


Published: 2020-04-27 | Updated: 2020-06-03

Vulnerability identifier: #VU27361

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8474

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
800xA Base
Other software / Other software solutions

Vendor: ABB

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

800xA Base: 6.0


External links
http://search.abb.com/library/Download.aspx?DocumentID=2PAA121221&LanguageCode=en&DocumentPartId=&Action=Launch


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability