RCE in Patriksimek Vm2

CVE-2023-37903

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.042 (90.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-37903: held from 0.042 to 0.042.

EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-37903?
CVE-2023-37903 is a critical-severity vulnerability in Patriksimek Vm2, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-07-21.
How severe is CVE-2023-37903?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-37903 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.