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Vulnerability · Published Apr 29, 2020 · Assigned by ABB

CVE-2020-8471ABB Central Licensing System - Weak File Permissions

High 7.8

In plain English

A high-severity security flaw in ABB Ability System 800xA from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 68.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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, weak file permissions allow an authenticated attacker to block the license handling, escalate his/her privileges and execute arbitrary code.

Affected products (as reported)

VendorProductVersions
ABB Central Licensing System 5.1 – before 5*
ABB ABB Ability System 800xA 5.16.06.1
ABB Compact HMI 5.16.0
ABB Control Builder Safe 1.01.12.0
ABB Symphony Plus S+ Operations 3 – through 3.2
ABB Symphony Plus S+ Engineering 1.1 – through 2.2
ABB Composer Harmony 5.16.06.1
ABB Composer Melody 5.36 – through 6.3
ABB Harmony OPC Server Standalone 6.06.17.0
ABB Advant OCS Control Builder A 1.31.4
ABB Composer CTK 6.16.2
ABB AdvaBuild 3.7 SP13.7 SP2
ABB OPC Server for Mod 300 (non-800xA) 1.4
ABB OPC Data Link 2.12.2
ABB Knowledge Manager 8.09.09.1
ABB Manufacturing Operations Management 18121909
ABB Advant OCS AC 100 OPS Server 5.16.06.1

Weakness: CWE-275 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References