CVE-2020-8476

ABB Central Licensing System - Elevation of Privilege Vulnerability

Description

For the Central Licensing Server component used in ABB products ABB Ability™ System 800xA and related system extensions versions 5.1, 6.0 and 6.1, Compact HMI versions 5.1 and 6.0, Control Builder Safe 1.0, 1.1 and 2.0, Symphony Plus -S+ Operations 3.0 to 3.2 Symphony Plus -S+ Engineering 1.1 to 2.2, Composer Harmony 5.1, 6.0 and 6.1, Melody Composer 5.3, 6.1/6.2 and SPE for Melody 1.0SPx (Composer 6.3), Harmony OPC Server (HAOPC) Standalone 6.0, 6.1 and 7.0, ABB Ability™ System 800xA/ Advant® OCS Control Builder A 1.3 and 1.4, Advant® OCS AC100 OPC Server 5.1, 6.0 and 6.1, Composer CTK 6.1 and 6.2, AdvaBuild 3.7 SP1 and SP2, OPCServer for MOD 300 (non-800xA) 1.4, OPC Data Link 2.1 and 2.2, Knowledge Manager 8.0, 9.0 and 9.1, Manufacturing Operations Management 1812 and 1909, ABB AbilityTM SCADAvantage versions 5.1 to 5.6.5, a weakness in validation of input exists that allows an attacker to alter licenses assigned to the system nodes by sending specially crafted messages to the CLS web service.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.38%
Vendor Advisory abb.com Vendor Advisory abb.com
Affected: ABB Central Licensing System
Affected: ABB ABB Ability System 800xA
Affected: ABB Compact HMI
Affected: ABB Control Builder Safe
Affected: ABB Symphony Plus S+ Operations
Affected: ABB Symphony Plus S+ Engineering
Affected: ABB Composer Harmony
Affected: ABB Composer Melody
Affected: ABB Harmony OPC Server Standalone
Affected: ABB Advant OCS Control Builder A
Affected: ABB Composer CTK
Affected: ABB AdvaBuild
Affected: ABB OPC Server for Mod 300 (non-800xA)
Affected: ABB OPC Data Link
Affected: ABB Knowledge Manager
Affected: ABB Manufacturing Operations Management
Affected: ABB Advant OCS AC 100 OPS Server
Affected: ABB ABB Ability™ SCADAvantage
Published at:
Updated at:

References

Link Tags
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch vendor advisory
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch vendor advisory
https://search.abb.com/library/Download.aspx?DocumentID=3CCA2020-003309&LanguageCode=en&DocumentPartId=&Action=Launch

Frequently Asked Questions

What is the severity of CVE-2020-8476?
CVE-2020-8476 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8476?
To fix CVE-2020-8476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8476 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-8476 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-8476?
CVE-2020-8476 affects ABB Central Licensing System, ABB ABB Ability System 800xA, ABB Compact HMI, ABB Control Builder Safe, ABB Symphony Plus S+ Operations, ABB Symphony Plus S+ Engineering , ABB Composer Harmony, ABB Composer Melody , ABB Harmony OPC Server Standalone, ABB Advant OCS Control Builder A, ABB Composer CTK, ABB AdvaBuild, ABB OPC Server for Mod 300 (non-800xA), ABB OPC Data Link, ABB Knowledge Manager, ABB Manufacturing Operations Management, ABB Advant OCS AC 100 OPS Server, ABB ABB Ability™ SCADAvantage.
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