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CRITICAL

CVE-2023-37466

CVSS v3

10

CRITICAL

EPSS Score

3.9 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • vm2npmall versions · fixed in 3.10.0

Vendor advisories

  • CVE-2023-37466 Red Hat Product Security1 known affected

    vm2: Promise handler sanitization can be bypassed allowing attackers to escape the sandbox and run arbitrary code

    rhacm2/console-rhel8 as a component of Red Hat Advanced Cluster Management for Kubernetes 2

  • RHSA-2023:4980 Red Hat Product Security191 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.6.7 security and bug fix updates

  • RHSA-2023:4972 Red Hat Product Security152 products fixed

    Red Hat Security Advisory: Multicluster Engine for Kubernetes 2.1.8 security updates and bug fixes

Full record on NVD

Description

vm2 is an advanced vm/sandbox for Node.js. The library contains critical security issues and should not be used for production. The maintenance of the project has been discontinued. In vm2 for versions up to 3.9.19, `Promise` handler sanitization can be bypassed with the `@@species` accessor property allowing attackers to escape the sandbox and run arbitrary code, potentially allowing remote code execution inside the context of vm2 sandbox. Version 3.10.0 contains a patch for the issue.

Technical details

Published
2023-07-14

Frequently asked questions

What is CVE-2023-37466?

vm2 is an advanced vm/sandbox for Node.js. The library contains critical security issues and should not be used for production. The maintenance of the project has been discontinued. In vm2 for versions up to 3.9.19, `Promise` handler sanitization can be bypassed with the `@@species` accessor property allowing attackers to escape the sandbox and run arbitrary code, potentially allowing remote code execution inside the context of vm2 sandbox. Version 3.10.0 contains a patch for the issue.

Is CVE-2023-37466 actively exploited?

Active exploitation of CVE-2023-37466 has not been confirmed. Its EPSS score was 3.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-37466?

CVE-2023-37466 has a CVSS v3 base score of 10 (CRITICAL severity).

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