Vulnerability identifier: #VU27355

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-8487

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 Kernel object permissions. A local user can cause denial of service (DoS) conditions by corrupting memory locations and gain elevated privileges depending on how those memory locations were used.

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

Vulnerable software versions

800xA Base: All versions

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External links
http://applied-risk.com/assets/uploads/whitepapers/AR2020002-ABB-800xA-MultipleVulnerabilities.pdf
http://search.abb.com/library/Download.aspx?DocumentID=2PAA121236&LanguageCode=en&DocumentPartId=&Action=Launch

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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.