CVE-2023-37903: Sandbox Escape in vm2

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-21 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

patriksimek vm2: through 3.9.19

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-g644-9gfx-q4q4
https://security.netapp.com/advisory/ntap-20230831-0007/
https://github.com/patriksimek/vm2/security/advisories/GHSA-g644-9gfx-q4q4
https://security.netapp.com/advisory/ntap-20230831-0007/
https://security.netapp.com/advisory/ntap-20241108-0002/

Get alerted when CVE-2023-37903 or the next vulnerability affects your stack