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CVE-2020-24683— Authentication Bypass in Symphony Plus

Quick assessment

Affected
ABB ABB Ability™ Symphony® Plus Operations
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 Symphony Plus Operations是瑞士ABB公司的一个用于工业环境中为提高运营效率的管理设备。该设备提供易于使用的人机界面，无缝集成所有工厂设备和使用行业标准协议和技术的子系统，并提供警报管理、流程优化等功能。 ABB Symphony Plus Operations 2.1 SP1版本及之前版本存在安全漏洞，该漏洞源于使用了一种用户身份验证方法，这种方法依赖于客户端节点的验证(客户端身份验证)。这不如让服务器在允许连接之前验证客户机应用程序安全。因此，如果这些应用程序的网络通信或

CVSS 9.8 · Critical EPSS 1.48% · P73
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I. Basic Information for CVE-2020-24683

Vulnerability Information
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Vulnerability Title
Authentication Bypass in Symphony Plus
Source: CVE Program / CVE List V5
Vulnerability Description
The affected versions of S+ Operations (version 2.1 SP1 and earlier) used an approach for user authentication which relies on validation at the client node (client-side authentication). This is not as secure as having the server validate a client application before allowing a connection. Therefore, if the network communication or endpoints for these applications are not protected, unauthorized actors can bypass authentication and make unauthorized connections to the server application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
ABB Symphony Plus Operations 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Symphony Plus Operations是瑞士ABB公司的一个用于工业环境中为提高运营效率的管理设备。该设备提供易于使用的人机界面，无缝集成所有工厂设备和使用行业标准协议和技术的子系统，并提供警报管理、流程优化等功能。 ABB Symphony Plus Operations 2.1 SP1版本及之前版本存在安全漏洞，该漏洞源于使用了一种用户身份验证方法，这种方法依赖于客户端节点的验证(客户端身份验证)。这不如让服务器在允许连接之前验证客户机应用程序安全。因此，如果这些应用程序的网络通信或
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 ABB Ability™ Symphony® Plus Operations unspecified ~ 2.1 SP1 -

II. Public POCs for CVE-2020-24683

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III. Intelligence Information for CVE-2020-24683

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Other References for CVE-2020-24683 (1)

Same Patch Batch · ABB · 2020-12-22 · 9 CVEs total

CVE-2020-24675 9.8 CRITICAL Weak Authentication in Symphony Plus
CVE-2020-24673 9.8 CRITICAL SQL Injection in Symphony Plus
CVE-2020-24674 8.8 HIGH Improper Authorization in Symphony Plus
CVE-2020-24677 8.8 HIGH Insecure Web Service in Symphony Plus
CVE-2020-24678 8.8 HIGH Potential Privilege Escalation in Symphony Plus
CVE-2020-24676 7.8 HIGH Insecure Windows Services in Symphony Plus
CVE-2020-24679 7.5 HIGH Denial of Service attack on Symphony Plus
CVE-2020-24680 7.0 HIGH Improper Credential Storage in Symphony Plus

IV. Related Vulnerabilities

Same product: ABB Ability™ Symphony® Plus Operations
Same vendor: ABB
Same weakness: CWE-602

V. Comments for CVE-2020-24683

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