Resource exhaustion in Br-automation Automation_runtime
CVE-2023-3242
Improper initialization implementation in Portmapper used in B&R Industrial Automation Automation Runtime <G4.93 allows unauthenticated network-based attackers to cause permanent denial-of-service conditions.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
EPSS: 0.005 (36.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Br-automation Automation_runtime
- B&r Industrial Automation Runtime — versions <G4.93
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cybersecurity@ch.abb.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-3242?
- CVE-2023-3242 is a high-severity vulnerability in Br-automation Automation_runtime, classified under Improper Initialization. CVSS score: 8.6/10. Published 2023-07-26.
- How severe is CVE-2023-3242?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-3242 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.