7.8
HIGH
CVE-2020-8472
ABB System 800xA OPCServer Privilege Escalation, File Read/Write and Manipulation Vulnerability
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.

INFO

Published Date :

April 29, 2020, 12:15 a.m.

Last Modified :

May 14, 2020, 2:46 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2020-8472 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Abb control_builder_m
2 Abb mms_server
3 Abb opc_server
4 Abb base_software
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8472.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8472 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8472 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 14, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch No Types Assigned https://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch Vendor Advisory
    Added CWE NIST CWE-732
    Added CPE Configuration AND OR *cpe:2.3:a:abb:control_builder_m:*:*:*:*:professional:*:*:* versions up to (including) 6.1 *cpe:2.3:a:abb:mms_server:*:*:*:*:*:*:*:* versions up to (including) 6.1 *cpe:2.3:a:abb:opc_server:*:*:*:*:*:*:*:* versions up to (including) 6.0 OR cpe:2.3:h:abb:ac800m:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:abb:base_software:*:*:*:*:*:softcontrol:*:* versions up to (including) 6.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10264

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability