CVE-2020-8481 ABB Central Licensing System - Information disclosure

Critical 9.8 Published 29 Apr 2020 Updated 4 Aug 2024

An attacker can read confidential data from unprotected files in ABB industrial control systems, potentially leading to full system control.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-8481?

CVE-2020-8481 is a critical vulnerability in ABB Ability System 800xA, published on 29 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-922, CWE-200

Which versions are affected by CVE-2020-8481?

It affects 1 product.

Products include Abb 800xa System.

How do I fix CVE-2020-8481?

No fix has been published for CVE-2020-8481 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-8481 being exploited?

There is no known exploitation of CVE-2020-8481 in the wild and no public exploit code.

Sources

Also known as GHSA-w8qc-fmpq-5gmp.