Inductive Automation Ignition OPC UA Quick Client Permissive Cross-domain Policy Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the configuration of the web server. The issue results from the lack of appropriate Content Security Policy headers. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of SYSTEM. Was ZDI-CAN-20539.
Conclusion & alert: CVE-2023-38122 is rated Moderate Risk (54.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.48%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.56% | 1.48% | +0.92% |
| 2 | 2025-11-21 | 2.11% | 0.56% | -1.55% |
| 3 | 2025-11-18 | — | 2.11% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| 7.2 | 3.0 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| inductiveautomation | ignition | < 8.1.26 | cpe:2.3:a:inductiveautomation:ignition:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://inductiveautomation.com/blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-security | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-23-1013/ | Third Party Advisory |