CVE-2024-0220 — B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficie

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 sensitiv

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
B&R Industrial Automation	Automation Studio	4.0
B&R Industrial Automation	Technology Guarding	1.0.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-02-22T10:15:44.750Z
• Last modified: 2024-09-19T17:24:51.723Z

09References

• www.br-automation.com — https://www.br-automation.com/fileadmin/SA23P019_Automation_Studio_Upgrade_Servi…