Diffie-Hellman groups with insufficient strength used in SSL/TLS stack of B&R Automation Runtime
Priority LOW 36CWE-326Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-326.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00252 16th percentileScored 2026-11-07
Fix Fixed Automation Runtime (B&R Industrial Automation): 6.0.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| B&R Industrial Automation | Automation Runtime | before 6.0.0 | 6.0.0 | Patch available | CNA |
- Automation Runtime VendorB&R Industrial Automation Affected before 6.0.0 Fixed in 6.0.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | before 6.0.2 | Vulnerable | B&R Industrial Automation |
- cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* Versions before 6.0.2 Vulnerable ·B&R Industrial Automation
Remediation
- Fix · CNA Automation Runtime (B&R Industrial Automation) Fixed in 6.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-5800
- 2026-10-03 Alias added: GHSA-m54w-mhp6-x65m
References
More B&R Industrial Automation Automation Runtime vulnerabilities
- TI-2024-00297 FTP uses unsecure encryption mechanisms CVSS 3.1CRITICAL 9.8
- TI-2023-03038 Resource allocation without limits in B&R Automation Runtime CVSS 3.1HIGH 8.6
- TI-2019-13790 B&R Automation Runtime SNMP Authentication and Authorization Weakness CVSS 3.1CRITICAL 9.4
- TI-2021-05253 Denial of service vulnerability on Automation Runtime webserver CVSS 3.1HIGH 8.6
- TI-2020-09337 Automation Runtime TFTP Service DoS Vulnerability CVSS 3.1HIGH 7.5
- TI-2022-03925 Reflected Cross-Site Scripting Vulnerabilities in Automation Runtime CVSS 3.1MEDIUM 6.1
Sources
- CVE-2024-5800 · CVE Program
- CVE-2024-5800 · NVD
- FIRST EPSS
- GHSA-m54w-mhp6-x65m · GitHub Advisory Database · CC BY 4.0
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