CVE-2020-8472 MEDIUM

CVE-2020-8472: ABB System 800xA Weak File Permissions - different products

Vendor Abb
Product OPC Server for AC 800M
Weakness CWE-732
Published April 28, 2020
Last update August 4, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.

Key dates

02Disclosure timeline

April 28, 2020 CVE published
August 4, 2024 Record updated