What’s Vulnerable › Vulnerabilities

CVE-2023-30547: Sandbox Escape in vm2

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 73.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-17 · updated 2026-06-17
• Weakness: CWE-74

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.

Affected products

• patriksimek vm2: through 3.9.16

References

• https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
• https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
• https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
• https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
• https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
• https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
• https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
• https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m

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