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CVE-2020-8478— ABB System 800xA Inter process communication vulnerability

Quick assessment

Affected
ABB OPC Server for AC 800M
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ABB Ability System 800xA是瑞士ABB公司的一套用于工控行业的分布式控制系统。 ABB System 800xA（所有版本）中存在注入漏洞。本地攻击者可利用该漏洞注入数据，影响Control Builder中显示的运行时数据视图。

CVSS 5.3 · Medium EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2020-8478

Vulnerability Information
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Vulnerability Title
ABB System 800xA Inter process communication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient protection of the inter-process communication functions in ABB System 800xA products OPC Server for AC 800M, MMS Server for AC 800M and Base Software for SoftControl (all published versions) enables an attacker authenticated on the local system to inject data, affecting the online view of runtime data shown in Control Builder.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
ABB Ability System 800xA 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Ability System 800xA是瑞士ABB公司的一套用于工控行业的分布式控制系统。 ABB System 800xA（所有版本）中存在注入漏洞。本地攻击者可利用该漏洞注入数据，影响Control Builder中显示的运行时数据视图。
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 OPC Server for AC 800M all versions -
ABB MMS Server for AC 800M all versions -
ABB Base Software for SoftControl all versions -

II. Public POCs for CVE-2020-8478

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III. Intelligence Information for CVE-2020-8478

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Other References for CVE-2020-8478 (1)

Same Patch Batch · ABB · 2020-04-29 · 13 CVEs total

CVE-2020-8481 9.8 CRITICAL ABB Central Licensing System - Information disclosure
CVE-2020-8479 9.4 CRITICAL ABB Central Licensing System - XML External Entity Injection
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-2020-8475 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: OPC Server for AC 800M
Same vendor: ABB
Same weakness: CWE-264

V. Comments for CVE-2020-8478

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