Abb Base Incorrect Permission Assignment for Critical Resource

high Tenable.ot Plugin ID 500404
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

Solution

Refer to vendor advisory for Security Updates

See Also

https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch

Plugin Details

Severity: High

ID: 500404

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-8472

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: AV:L/AC:L/Au:N/C:P/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:2.3:a:abb:base_software:*:*:*:*:*:softcontrol:*:*, cpe:2.3:a:abb:mms_server:*:*:*:*:*:*:*:*, cpe:2.3:a:abb:opc_server:*:*:*:*:*:*:*:*, cpe:2.3:a:abb:control_builder_m:*:*:*:*:professional:*:*:*

Patch Publication Date: 4/29/2020

Vulnerability Publication Date: 4/29/2020

Reference Information

CVE: CVE-2020-8472