high
7.5
CWE
20
Advisory Published
Updated

CVE-2020-8475: ABB Central Licensing System - Denial of Service 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 block license handling 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 issue?

    The vulnerability ID for this issue is CVE-2020-8475.

  • What is the severity of CVE-2020-8475?

    The severity of CVE-2020-8475 is high with a severity value of 7.5.

  • Which ABB products are affected by CVE-2020-8475?

    ABB products affected by CVE-2020-8475 include ABB Ability™ System 800xA, Compact HMI, Control Builder Safe, Symphony Plus -S+ Operations, and Symphony Plus -S+ Engineering.

  • How can I fix CVE-2020-8475?

    To fix CVE-2020-8475, it is recommended to upgrade to the latest versions of the affected ABB products mentioned in the advisory.

  • Where can I find more information about CVE-2020-8475?

    More information about CVE-2020-8475 can be found in the references provided, including the official ABB advisory.

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