Vulnerability · Published Apr 28, 2020 · Assigned by ABB

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

Medium 5.5

In plain English

A medium-severity incorrect permission assignment in Base Software for SoftControl from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
ABB OPC Server for AC 800M 6.0 and earlier
ABB Control Builder M Professional 6.1 and earlier
ABB MMS Server for AC 800M 6.1 and earlier
ABB Base Software for SoftControl 6.1 and earlier

Weakness: CWE-732 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References