THREATPORT/VULNERABILITY/CVE-2023-39475
CRITICAL SEVERITY

CVE-2023-39475

Ignition vulnerability

CVSS
9.8
EPSS
3.1%
EPSS pct
87th
Exploited
No known
Inductive Automation Ignition ParameterVersionJavaSerializationCodec Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ParameterVersionJavaSerializationCodec class. 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 SYSTEM. Was ZDI-CAN-20290.
Affected vendor
Inductiveautomation
Affected product
Ignition
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2024-05-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2023-39475

  • Confirm whether Inductiveautomation Ignition is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-39475.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-39475

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-39475 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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