CVE-2023-39474

Q: How do I fix CVE-2023-39474?

Upgrade ignition to 8.1.35 or later.

Q: Is CVE-2023-39474 being actively exploited?

Not that we know of. CVE-2023-39474 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.62% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

Q: How severe is CVE-2023-39474?

CVE-2023-39474 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-39474 affect?

Published advisories record a fix for ignition (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.8

CVSS v3

NVD

Description

Inductive Automation Ignition downloadLaunchClientJar 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 downloadLaunchClientJar function. The issue results from the lack of validating a remote JAR file prior to loading it. An attacker can leverage this vulnerability to execute code in the context of the current user. . Was ZDI-CAN-19915.

CWE-494

How to fix

Remediation Available

ignitionNVD

Affected:>= 8.1.0, < 8.1.35Fixed in:8.1.35CVE-2023-39474derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.62%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-494 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-5398	High	7.5	88%	-	Fix
CVE-2022-40799	High	8.8	32%	KEV	-
CVE-2026-3502	High	7.8	5.8%	KEV	Fix
CVE-2018-19234	High	8.8	3.3%	-	Fix
CVE-2016-6567	Critical	9.8	2.9%	-	-
CVE-2016-6564	High	8.1	2.7%	-	-

Common questions

How do I fix CVE-2023-39474?

Upgrade ignition to 8.1.35 or later.

Is CVE-2023-39474 being actively exploited?

Not that we know of. CVE-2023-39474 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.62% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

How severe is CVE-2023-39474?

CVE-2023-39474 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-39474 affect?

Published advisories record a fix for ignition (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-13.