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CVE-2025-11043— Improper Server Certificate Validation in Automation Studio

Quick assessment

Affected
B&R Industrial Automation GmbH B&R Automation Studio
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.

B&R Automation Studio是奥地利B&R公司的一个集成开发环境。 B&R Automation Studio 6.5之前版本存在信任管理问题漏洞，该漏洞源于OPC-UA客户端和ANSL over TLS客户端证书验证不当，可能导致网络上的未经验证攻击者拦截和干扰数据交换。

CVSS 7.4 · High EPSS 0.23% · P13
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I. Basic Information for CVE-2025-11043

Vulnerability Information
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Vulnerability Title
Improper Server Certificate Validation in Automation Studio
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Certificate Validation vulnerability in the OPC-UA client and ANSL over TLS client used in Automation Studio versions before 6.5 could allow an unauthenticated attacker on the network to position themselves to intercept and interfere with data exchanges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Automation Studio 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Automation Studio是奥地利B&R公司的一个集成开发环境。 B&R Automation Studio 6.5之前版本存在信任管理问题漏洞，该漏洞源于OPC-UA客户端和ANSL over TLS客户端证书验证不当，可能导致网络上的未经验证攻击者拦截和干扰数据交换。
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
B&R Industrial Automation GmbH B&R Automation Studio 4 -

II. Public POCs for CVE-2025-11043

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III. Intelligence Information for CVE-2025-11043

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IV. Related Vulnerabilities

Same vendor: B&R Industrial Automation GmbH
Same weakness: CWE-295

V. Comments for CVE-2025-11043

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