ABB Central Licensing System - Information disclosure

Description

For 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, confidential data is written in an unprotected file. An attacker who successfully exploited this vulnerability could take full control of the computer.

Scores

EPSS (exploitation in 30 days)

1.9% · top 21% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• CWE-200 Information Exposure (opens in a new tab)All about CWE-200 and its CVEs
• CWE-922 (opens in a new tab)All about CWE-922 and its CVEs

Affected products

• ABB · Central Licensing System

  • affected 5.1 – < 5*

• ABB · ABB Ability System 800xA

  • affected 5.1
  • affected 6.0
  • affected 6.1

• ABB · Compact HMI

  • affected 5.1
  • affected 6.0

• ABB · Control Builder Safe

  • affected 1.0
  • affected 1.1
  • affected 2.0

• ABB · Symphony Plus S+ Operations

  • affected 3 – ≤ 3.2

• ABB · Symphony Plus S+ Engineering

  • affected 1.1 – ≤ 2.2

• ABB · Composer Harmony

  • affected 5.1
  • affected 6.0
  • affected 6.1

• ABB · Composer Melody

  • affected 5.3
  • affected 6 – ≤ 6.3

• ABB · Harmony OPC Server Standalone

  • affected 6.0
  • affected 6.1
  • affected 7.0

• ABB · Advant OCS Control Builder A

  • affected 1.3
  • affected 1.4

• ABB · Composer CTK

  • affected 6.1
  • affected 6.2

• ABB · AdvaBuild

  • affected 3.7 SP1
  • affected 3.7 SP2

• ABB · OPC Server for Mod 300 (non-800xA)

  • affected 1.4

• ABB · OPC Data Link

  • affected 2.1
  • affected 2.2

• ABB · Knowledge Manager

  • affected 8.0
  • affected 9.0
  • affected 9.1

• ABB · Manufacturing Operations Management

  • affected 1812
  • affected 1909

• ABB · Advant OCS AC 100 OPS Server

  • affected 5.1
  • affected 6.0
  • affected 6.1

References (2)

• https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-8481](https://trackcve.app/badge/CVE-2020-8481.svg)](https://trackcve.app/cve/CVE-2020-8481)

Record last updated 4 Aug 2024, 10:03 UTC.