CVE-2020-8479

CRITICAL

ABB products - Path Traversal

Title source: llm
STIX 2.1

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, ABB AbilityTM SCADAvantage versions 5.1 to 5.6.5. an XML External Entity Injection vulnerability exists that allows an attacker to read or call arbitrary files from the license server and/or from the network and also block the license handling.

Scores

CVSS v3 9.4
EPSS 0.0071
EPSS Percentile 72.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Details

CWE
CWE-91
Status published
Products (11)
abb/800xa_system 5.1 (9 CPE variants)
abb/800xa_system 6.0
abb/800xa_system 6.0.1
abb/800xa_system 6.0.3
abb/800xa_system 6.1
abb/compact_hmi 5.1 (4 CPE variants)
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
... and 1 more
Published Apr 29, 2020
Tracked Since Feb 18, 2026