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CVE-2024-5800— Diffie-Hellman groups with insufficient strength used in SSL/TLS stack of B&R Automation Runtime

Quick assessment

Affected
B&R Industrial Automation Automation Runtime
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 Runtime是B&R Automation公司的一个自动化运行时。 B&R Automation Runtime 6.0.2之前版本存在加密问题漏洞，该漏洞源于在SSL/TLS堆栈中使用了强度不足的Diffie-Hellman组，允许网络攻击者解密SSL/TLS通信。

AI Predicted 7.5 Difficulty: Easy EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2024-5800

Vulnerability Information
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Vulnerability Title
Diffie-Hellman groups with insufficient strength used in SSL/TLS stack of B&R Automation Runtime
Source: CVE Program / CVE List V5
Vulnerability Description
Diffie-Hellman groups with insufficient strength are used in the SSL/TLS stack of B&R Automation Runtime versions before 6.0.2, allowing a network attacker to decrypt the SSL/TLS communication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Automation Runtime 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Automation Runtime是B&R Automation公司的一个自动化运行时。 B&R Automation Runtime 6.0.2之前版本存在加密问题漏洞，该漏洞源于在SSL/TLS堆栈中使用了强度不足的Diffie-Hellman组，允许网络攻击者解密SSL/TLS通信。
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 Automation Runtime 0 ~ 6.0.0 -

II. Public POCs for CVE-2024-5800

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III. Intelligence Information for CVE-2024-5800

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IV. Related Vulnerabilities

Same product: Automation Runtime
Same vendor: B&R Industrial Automation
Same weakness: CWE-326

V. Comments for CVE-2024-5800

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