Factorio CVE-2024-39840
HIGHSeverity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Version information: before 1.1.101.
Affected ProductsAI
See vendor advisory for affected versions.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today