CVEvulnerability
CVE-2023-39477
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
Description
Inductive Automation Ignition ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20499.
Affected configurations
• inductiveautomation ignition (>= 8.1.0 < 8.1.33)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://inductiveautomation.com/downloads/releasenotes/8.1.33 Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1050/ Third Party Advisory
- https://inductiveautomation.com/downloads/releasenotes/8.1.33 Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1050/ Third Party Advisory