What’s Vulnerable › Vulnerabilities

CVE-2023-50221: Inductive Automation Ignition ResponseParser SerializedResponse Deserialization of Untrusted Data Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-502

Description

Inductive Automation Ignition ResponseParser SerializedResponse Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition. User interaction is required to exploit this vulnerability in that the target must connect to a malicious server. The specific flaw exists within the ResponseParser method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-21926.

Affected products

• Inductive Automation Ignition: from 8.1.0 before 8.1.35 — fixed in 8.1.35

How to fix

Upgrade to a fixed version: Inductive Automation Ignition 8.1.35. Check the vendor advisory for mitigations.

References

• https://security.inductiveautomation.com/?tcuUid=fc4c4515-046d-4365-b688-693337449c5b
• https://www.zerodayinitiative.com/advisories/ZDI-24-016/
• https://security.inductiveautomation.com/?tcuUid=fc4c4515-046d-4365-b688-693337449c5b
• https://www.zerodayinitiative.com/advisories/ZDI-24-016/

Get alerted when CVE-2023-50221 or the next vulnerability affects your stack