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CVE-2026-6900— Improper Certificate Validation

Quick assessment

Affected
B&R Industrial Automation GmbH APROL
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 Industrial Automation APROL是AUTB&R Industrial Automation公司的一款工业自动化控制系统产品。 B&R Industrial Automation APROL R 4.4-01P5之前版本存在加密问题漏洞，该漏洞源于证书验证不当。

CVSS 7.4 · High EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
B&R Industrial Automation GmbH APROL < R 4.4-01P5 affected
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I. Basic Information for CVE-2026-6900

Vulnerability Information
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Vulnerability Title
Improper Certificate Validation
Source: CVE Program / CVE List V5
Vulnerability Description
Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.
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 Industrial Automation APROL 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Industrial Automation APROL是AUTB&R Industrial Automation公司的一款工业自动化控制系统产品。 B&R Industrial Automation APROL R 4.4-01P5之前版本存在加密问题漏洞，该漏洞源于证书验证不当。
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 APROL 0 ~ R 4.4-01P5 -

II. Public POCs for CVE-2026-6900

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-6900

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Vendor Advisories for CVE-2026-6900 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-6900

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