Use After Free in Unified Automation Uagateway
CVE-2023-32174
Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability when the product is in its default configuration. The specific flaw exists within the handling of NodeManagerOpcUa objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-20577.
Vulnerability class: Use-After-Free
EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Unified Automation Uagateway — versions UaGateway 1.5.13
- Unified-automation Uagateway
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-32174?
- CVE-2023-32174 is a critical-severity vulnerability in Unified Automation Uagateway, classified under Use After Free. CVSS score: 9.1/10. Published 2024-05-03.
- How severe is CVE-2023-32174?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2023-32174 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.