Critical severity · published Jul 21, 2023
CVE-2023-37903
Sandbox Escape in vm2
10.0
CVSS
4.2%
EPSS
No
On KEV
Description
vm2 is an open source vm/sandbox for Node.js. In vm2 for versions up to and including 3.9.19, Node.js custom inspect function allows attackers to escape the sandbox and run arbitrary code. This may result in Remote Code Execution, assuming the attacker has arbitrary code execution primitive inside the context of vm2 sandbox. There are no patches and no known workarounds. Users are advised to find an alternative software.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VM
vm2 · patriksimek
<= 3.9.19 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-37903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-37903
Vendor Advisory
https://github.com/patriksimek/vm2/security/advisories/GHSA-g644-9gfx-q4q4
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230831-0007/
security.netapp.com
https://security.netapp.com/advisory/ntap-20241108-0002/
More from vm2
10.0
CVE-2026-93606
vm2 before 3.12.1 Sandbox Escape via Promise Symbol.species
10.0
CVE-2026-93605
vm2 NodeVM before 3.12.1 Remote Code Execution via child_process
10.0
CVE-2026-93603
vm2 before 3.12.1 Sandbox Escape RCE via Non-Strict Host Function
10.0
CVE-2026-92960
vm2 before 3.11.6 Process-wide State Exposure via os and dns
10.0
CVE-2026-92956
vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming
