CVE-2024-39840 - Vulnerability Details - OpenCVE

Description

Factorio before 1.1.101 allows a crafted server to execute arbitrary code on clients via a custom map that leverages the ability of certain Lua base module functions to execute bytecode and generate fake objects.

Published: 2024-06-29

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

Vendor	Product	Confidence	Versions
Factorio	Factorio	—	—

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Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00151.

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://memorycorruption.net/posts/rce-lua-factorio/
https://news.ycombinator.com/item?id=40830005

History

Thu, 26 Feb 2026 15:15:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:factorio:factorio::::::::
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Factorio Factorio

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-06-29T00:00:00.000Z

Updated: 2024-08-02T04:26:16.039Z

Reserved: 2024-06-29T00:00:00.000Z

Link: CVE-2024-39840

Vulnrichment

Updated: 2024-08-02T04:26:16.039Z

NVD

Status : Awaiting Analysis

Published: 2024-06-29T17:15:09.857

Modified: 2024-11-21T09:28:25.043

Link: CVE-2024-39840

Redhat

No data.

OpenCVE Enrichment

Updated: 2025-07-13T11:14:54Z

Weaknesses

CWE-787

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