CVE-2020-8479— ABB Central Licensing System - XML External Entity Injection
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I. Basic Information for CVE-2020-8479
Vulnerability Information
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Vulnerability Title
ABB Central Licensing System - XML External Entity Injection
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML注入(XPath盲注)
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款ABB产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Ability System 800xA等都是瑞士ABB公司的产品。ABB Ability System 800xA是一套用于工控行业的分布式控制系统。ABB Compact HMI是一套监控和数据采集系统。ABB Control Builder Safe是一款用于配置和下载AC 800M High Integrity安全应用程序的工程工具。 多款ABB产品中的Central Licensing Server组件存在输入验证错误漏洞。攻击者可利用该漏洞读取或调用来自许可证服务器和/该网络的任意文件
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ABB | Central Licensing System | 5.1 ~ 5* | - | |
| ABB | ABB Ability System 800xA | 5.1 | - | |
| ABB | Compact HMI | 5.1 | - | |
| ABB | Control Builder Safe | 1.0 | - | |
| ABB | Symphony Plus S+ Operations | 3 ~ 3.2 | - | |
| ABB | Symphony Plus S+ Engineering | 1.1 ~ 2.2 | - | |
| ABB | Composer Harmony | 5.1 | - | |
| ABB | Composer Melody | 5.3 | - | |
| ABB | Harmony OPC Server Standalone | 6.0 | - | |
| ABB | Advant OCS Control Builder A | 1.3 | - | |
| ABB | Composer CTK | 6.1 | - | |
| ABB | AdvaBuild | 3.7 SP1 | - | |
| ABB | OPC Server for Mod 300 (non-800xA) | 1.4 | - | |
| ABB | OPC Data Link | 2.1 | - | |
| ABB | Knowledge Manager | 8.0 | - | |
| ABB | Manufacturing Operations Management | 1812 | - | |
| ABB | Advant OCS AC 100 OPS Server | 5.1 | - | |
| ABB | ABB Ability™ SCADAvantage | 5.1 ~ unspecified | - |
II. Public POCs for CVE-2020-8479
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|---|
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Same Patch Batch · ABB · 2020-04-29 · 13 CVEs total
| CVE-2020-8481 | 9.8 CRITICAL | ABB Central Licensing System - Information disclosure |
| CVE-2020-8489 | 7.8 HIGH | ABB System 800xA Inter process communication vulnerability - 800xA Information Management |
| CVE-2020-8488 | 7.8 HIGH | ABB System 800xA Inter process communication vulnerability - 800xA Batch Management |
| CVE-2020-8485 | 7.8 HIGH | ABB System 800xA Inter process communication vulnerability - 800xA for Mod 300 |
| CVE-2020-8484 | 7.8 HIGH | ABB System 800xA Inter process communication vulnerability - 800xA for DCI |
| CVE-2020-8471 | 7.8 HIGH | ABB Central Licensing System - Weak File Permissions |
| CVE-2020-8487 | 6.6 MEDIUM | ABB System 800xA Inter process communication vulnerability - System 800xA Base |
| CVE-2020-8486 | 6.6 MEDIUM | ABB System 800xA Inter process communication vulnerability - 800xA RNRP |
| CVE-2020-8478 | 5.3 MEDIUM | ABB System 800xA Inter process communication vulnerability |
| CVE-2020-8475 | 5.3 MEDIUM | ABB Central Licensing System - Denial of Service Vulnerability |
| CVE-2020-8476 | 5.3 MEDIUM | ABB Central Licensing System - Elevation of Privilege Vulnerability |
| CVE-2019-5620 | ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function |
IV. Related Vulnerabilities
Same product: Central Licensing System
Same vendor: ABB
Same weakness: CWE-91
- CVE-2026-41650
fast-xml-parser XMLBuilder: XML Comment and CDATA Injection - CVE-2026-41675
xmldom: XML node injection through unvalidated processing in - CVE-2026-41674
xmldom: XML injection through unvalidated DocumentType seria - CVE-2026-41672
xmldom: XML node injection through unvalidated comment seria - CVE-2026-27693
traccar allows XML injection in KML and GPX exports
V. Comments for CVE-2020-8479
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