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CVE-2020-8474— ABB System 800xA Weak Registry Permissions

Quick assessment

Affected
ABB System 800xA Base
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 System 800xA Base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 Base中存在授权问题漏洞。攻击者可利用该漏洞读取并修改有关控制系统功能的注册表设置，造成系统功能终止或异常。

CVSS 7.8 · High EPSS 0.30% · P21
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I. Basic Information for CVE-2020-8474

Vulnerability Information
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Vulnerability Title
ABB System 800xA Weak Registry Permissions
Source: CVE Program / CVE List V5
Vulnerability Description
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
Permission Issues
Source: CVE Program / CVE List V5
Vulnerability Title
ABB System 800xA Base 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB System 800xA Base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 Base中存在授权问题漏洞。攻击者可利用该漏洞读取并修改有关控制系统功能的注册表设置，造成系统功能终止或异常。
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 System 800xA Base unspecified ~ 6.0 -

II. Public POCs for CVE-2020-8474

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III. Intelligence Information for CVE-2020-8474

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Other References for CVE-2020-8474 (1)

Same Patch Batch · ABB · 2020-04-22 · 6 CVEs total

CVE-2019-19106 9.1 CRITICAL ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Access Control issues
CVE-2019-19104 9.1 CRITICAL ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Improper Authentication and Access Control
CVE-2020-8477 8.8 HIGH ABB System 800xA Information Manager Remote Code Execution
CVE-2019-19107 6.2 MEDIUM ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Information Exposure
CVE-2019-19105 6.2 MEDIUM ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Plaintext storing of credentials

IV. Related Vulnerabilities

Same product: System 800xA Base
Same vendor: ABB
Same weakness: CWE-275

V. Comments for CVE-2020-8474

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