Vulnerability record · CVE-2023-39477 · published 3 May 2024
CVE-2023-39477: Inductiveautomation ignition uncontrolled resource consumption vulnerability
Inductiveautomation · Ignition
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.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| 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 |
Track CVE-2023-39477 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2023-39477), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.