B&R products use insufficient communication encryption
Priority LOW 38CWE-1240Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Information disclosure, Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319 and CWE-94.
Summary
B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communication to the upgrade and the licensing servers. A network-based attacker could exploit the vulnerability to execute arbitrary code on the products or sniff sensitive data.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00364 30th percentileScored 2026-11-07
Fix Fixed Automation Studio (B&R Industrial Automation): 4.6Technology Guarding (B&R Industrial Automation): 1.4.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 Studio | 4.0 to before 4.6 | 4.6 | Patch available | CNA |
| B&R Industrial Automation | Technology Guarding | 1.0.0 to before 1.4.0 | 1.4.0 | Patch available | CNA |
- Automation Studio VendorB&R Industrial Automation Affected 4.0 to before 4.6 Fixed in 4.6 Patch available CNA
- Technology Guarding VendorB&R Industrial Automation Affected 1.0.0 to before 1.4.0 Fixed in 1.4.0 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:* | before 4.6 | Vulnerable | B&R Industrial Automation |
| cpe:2.3:a:br-automation:technology_guarding:*:*:*:*:*:*:*:* | before 1.4.0 | Vulnerable | B&R Industrial Automation |
- cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:* Versions before 4.6 Vulnerable ·B&R Industrial Automation
- cpe:2.3:a:br-automation:technology_guarding:*:*:*:*:*:*:*:* Versions before 1.4.0 Vulnerable ·B&R Industrial Automation
Remediation
- Fix · CNA Automation Studio (B&R Industrial Automation) Fixed in 4.6
- Fix · CNA Technology Guarding (B&R Industrial Automation) Fixed in 1.4.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-0220
- 2026-10-03 Alias added: GHSA-j3c9-h64h-gwp9
References
More B&R Industrial Automation Automation Studio vulnerabilities
- TI-2019-13790 B&R Automation Runtime SNMP Authentication and Authorization Weakness CVSS 3.1CRITICAL 9.4
- TI-2020-15148 Automation Studio and PVI Multiple incorrect permission assignments for services CVSS 3.1HIGH 8.8
- TI-2021-05260 RCE in B&R Automation Studio with crafted project files CVSS 3.1HIGH 8.3
- TI-2020-15149 Automation Studio and PVI Multiple unquoted service path vulnerabilities CVSS 3.1HIGH 7.8
- TI-2019-13785 Zip Slip vulnerability in 3rd-Party library in B&R Automation Studio upgrade service CVSS 3.1HIGH 7.5
- TI-2021-05259 Zip Slip Vulnerability in B&R Automation Studio Project Import CVSS 3.1HIGH 7.5
Sources
- CVE-2024-0220 · CVE Program
- CVE-2024-0220 · NVD
- FIRST EPSS
- GHSA-j3c9-h64h-gwp9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences