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CVE-2023-39475

63
FAUCET Score

CVE-2023-39475 is a critical remote code execution vulnerability affecting Inductive Automation Ignition, stemming from improper validation within the ParameterVersionJavaSerializationCodec class. This allows unauthenticated remote attackers to execute arbitrary code with SYSTEM privileges due to deserialization of untrusted data. With a CVSS score of 9.8, it poses a severe risk, though there is currently no public exploit code, Metasploit module, or significant community discussion indicating 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

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
62.26%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6226 is in the 97th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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-23-1047
Third Party Advisory