CVE-2023-32314 — vm2 is a sandbox that can run untrusted code with Node's built-in modules
vm2 is a sandbox that can run untrusted code with Node's built-in modules. A sandbox escape vulnerability exists in vm2 for versions up to and including 3.9.17. It abuses an unexpected creation of a host object based on the specification of `Proxy`. As a result a threat acto
Published
2023-05-15T19:46:32.834Z
Last modified
2025-01-22T21:42:31.793Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
vm2 is a sandbox that can run untrusted code with Node's built-in modules. A sandbox escape vulnerability exists in vm2 for versions up to and including 3.9.17. It abuses an unexpected creation of a host object based on the specification of `Proxy`. As a result a threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. This…
02Affected products
| Vendor | Product | Versions |
|---|
| patriksimek | vm2 | < 3.9.18 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-05-15T19:46:32.834Z
- Last modified: 2025-01-22T21:42:31.793Z
09References
- github.com — https://github.com/patriksimek/vm2/security/advisories/GHSA-whpj-8f3w-67p5
- github.com — https://github.com/patriksimek/vm2/commit/d88105f99752305c5b8a77b63ddee3ec86912d…
- gist.github.com — https://gist.github.com/arkark/e9f5cf5782dec8321095be3e52acf5ac
- github.com — https://github.com/patriksimek/vm2/releases/tag/3.9.18
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