CVE-2023-30547
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 73.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 72.97% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- vm2 project/vm2
- Source
- security-advisories@github.com
EPSS 73.0% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.