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CVE-2023-50221

Inductive Automation Ignition ResponseParser SerializedResponse Deserialization of Untrusted Data Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: May 3, 2024 at 02:14 AM UTC
Updated: June 17, 2026 at 06:39 AM UTC
1 product affected across 1 vendorIgnition

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ignition· Inductiveautomation
95%
8.1.0 ≤ v < 8.1.358.1.31
Affected range stops below 8.1.35, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://security.inductiveautomation.com/?tcuUid=fc4c4515-046d-4365-b688-693337449c5b
x_research-advisoryThird Party Advisory
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-24-016/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502

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