CVE-2023-37903

Name: CVE-2023-37903
Creator: NVD / NIST
Published: 2023-07-21T20:15:16.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 2.79%

Last modified Jun 17, 2026

CVE-2023-37903 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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. EPSS estimates a 2.79% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

2.79%

84.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vm2 Project	Vm2	<= 3.9.19

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-g644-9gfx-q4q4Vendor Advisory
https://security.netapp.com/advisory/ntap-20230831-0007/Third Party Advisory
https://github.com/patriksimek/vm2/security/advisories/GHSA-g644-9gfx-q4q4Vendor Advisory
https://security.netapp.com/advisory/ntap-20230831-0007/Third Party Advisory
https://security.netapp.com/advisory/ntap-20241108-0002/

Timeline

Published: Jul 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37903?

How severe is CVE-2023-37903?

CVE-2023-37903 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 2.79% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37903?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST