Use after free in Unified Automation UaGateway
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
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 |
|---|---|---|---|---|---|
| Unified Automation | UaGateway | UaGateway 1.5.13 | — | No fix listed | CNA |
- UaGateway VendorUnified Automation Affected UaGateway 1.5.13 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:* | before 1.5.14.495 | Vulnerable | Unified Automation |
- cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:* Versions before 1.5.14.495 Vulnerable ·Unified Automation
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Unified Automation UaGateway — vendor-provided URL
5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2023-15473 Improper input validation in Unified Automation UaGatewayPriority MEDIUM 62
- TI-2023-15475 Use after free in Unified Automation UaGatewayPriority LOW 32
- TI-2023-15474 NULL pointer dereference in Unified Automation UaGatewayPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32174
- 2026-10-03 Alias added: GHSA-frf6-mj64-p4rr
References
Advisory 2
More Unified Automation Uagateway vulnerabilities
- TI-2023-15473 Improper input validation in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
- TI-2023-21794 Integer overflow in Unified Automation UaGateway CVSS 3.1HIGH 7.5
- TI-2023-15475 Use after free in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
- TI-2023-15474 NULL pointer dereference in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
- TI-2023-15476 XML injection in Unified Automation UaGateway CVSS 3.0MEDIUM 5.8
Sources
- CVE-2023-32174 · CVE Program
- CVE-2023-32174 · NVD
- FIRST EPSS
- GHSA-frf6-mj64-p4rr · 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