PT-2020-20158 · Abb · Base Software For Softcontrol+3

Published 2020-04-28 · Updated 2020-05-14 · CVE-2020-8472

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ABB System 800xA products OPCServer for AC800M versions 6.0 and earlier ABB System 800xA products Control Builder M Professional versions 6.0 and earlier ABB System 800xA products MMSServer for AC800M versions 6.0 and earlier ABB System 800xA products Base Software for SoftControl version 6.1 and earlier

Description The issue is related to insufficient folder permissions used by system functions, allowing low privileged users to read, modify, add, and delete system and application files. An authenticated attacker could exploit this to escalate privileges, cause system functions to stop, and corrupt user applications.

Recommendations For ABB System 800xA products OPCServer for AC800M versions 6.0 and earlier, update to a version later than 6.0 to resolve the issue. For ABB System 800xA products Control Builder M Professional versions 6.0 and earlier, update to a version later than 6.0 to resolve the issue. For ABB System 800xA products MMSServer for AC800M versions 6.0 and earlier, update to a version later than 6.0 to resolve the issue. For ABB System 800xA products Base Software for SoftControl version 6.1 and earlier, update to a version later than 6.1 to resolve the issue.

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2020-8472

Affected Products

Base Software For Softcontrol

Control Builder M Professional

Mmsserver For Ac800M

Opc Server For Ac 800M

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-8472 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8472 · Vendor Advisory
• https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch · Vendor Advisory
• https://t.me/cvenotify/3369 · Telegram Post