high
7.5
CWE
20
Advisory Published
Updated

CVE-2020-8476: ABB Central Licensing System - Elevation of Privilege Vulnerability

First published: Wed Apr 29 2020(Updated: )

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.

Credit: cybersecurity@ch.abb.com

Affected SoftwareAffected VersionHow to fix
Abb 800xa System=5.1
Abb 800xa System=5.1-feature_pack_4
Abb 800xa System=5.1-feature_pack_4_revision_d
Abb 800xa System=5.1-revision_a
Abb 800xa System=5.1-revision_b
Abb 800xa System=5.1-revision_c
Abb 800xa System=5.1-revision_d
Abb 800xa System=5.1-revision_e
Abb 800xa System=5.1-revision_e_feature_pack_4
Abb 800xa System=6.0
Abb 800xa System=6.0.1
Abb 800xa System=6.0.3
Abb 800xa System=6.0.3.3
Abb 800xa System=6.1
Abb Compact Hmi=5.1
Abb Compact Hmi=5.1-feature_pack_4_revision_d
Abb Compact Hmi=5.1-revision_b
Abb Compact Hmi=5.1-revision_d
Abb Compact Hmi=6.0.1-1
Abb Compact Hmi=6.0.3-2
Abb Control Builder Safe=1.0
Abb Control Builder Safe=1.1
Abb Control Builder Safe=2.0

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this ABB vulnerability?

    The vulnerability ID for this ABB vulnerability is CVE-2020-8476.

  • What is the affected software for this vulnerability?

    The affected software for this vulnerability includes ABB Ability™ System 800xA versions 5.1, 6.0, and 6.1, Compact HMI versions 5.1 and 6.0, Control Builder Safe versions 1.0, 1.1, and 2.0, Symphony Plus -S+ Operations versions 3.0 to 3.2, and Symphony Plus -S+ Engineering versions 1.1 to 2.2.

  • How severe is this vulnerability?

    This vulnerability has a severity rating of 7.5, indicating a high severity.

  • What is the Common Weakness Enumeration (CWE) ID for this vulnerability?

    The Common Weakness Enumeration (CWE) ID for this vulnerability is CWE-20.

  • How can I fix this vulnerability?

    To fix this vulnerability, it is recommended to apply the security patches provided by ABB. Please refer to the ABB documentation for specific instructions.

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