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CVE-2023-39473

56
FAUCET Score

CVE-2023-39473 is a critical Remote Code Execution (RCE) vulnerability affecting Inductive Automation Ignition, stemming from improper deserialization of untrusted data within the AbstractGatewayFunction class. This flaw allows an authenticated remote attacker to execute arbitrary code with SYSTEM privileges. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low attack complexity and requires only low privileges, leading to high impacts on confidentiality, integrity, and availability. Currently, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in the KEV catalog, and there is minimal community discussion or media coverage, suggesting it is not under active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.1.0, < 8.1.35CPE matchmatch criteria
cpe:2.3:a:inductiveautomation:ignition:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
58.83%
Probability of exploitation in next 30 days
EPSS Percentile
99.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.5883 is in the 99th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

zerodayinitiative.com / advisories/ZDI-23-1045
Third Party Advisory