CVE-2023-30547

Name: CVE-2023-30547
Creator: NVD / NIST
Published: 2023-04-17T22:15:10.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 72.09%

Last modified Jun 17, 2026

CVE-2023-30547 is a critical-severity vulnerability rated 10/10 on the CVSS scale. vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside `handleException()` which can be used to escape the sandbox and run arbitrary code in host context. EPSS estimates a 72.09% chance of exploitation in the next 30 days.

Description

vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside `handleException()` which can be used to escape the sandbox and run arbitrary code in host context. This vulnerability was patched in the release of version `3.9.17` of `vm2`. There are no known workarounds for this vulnerability. Users are advised to upgrade.

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

72.09%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Vm2 Project	Vm2	<= 3.9.16

References

https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244Exploit, Third Party Advisory
https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049Patch
https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5Patch
https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2mExploit, Vendor Advisory
https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244Exploit, Third Party Advisory
https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049Patch
https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5Patch
https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2mExploit, Vendor Advisory

Timeline

Published: Apr 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30547?

How severe is CVE-2023-30547?

CVE-2023-30547 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 72.09% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30547?

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-2023-30547?

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

Scan your code now

Source: NVD / NIST