CVE-2020-28884
highpriority · track · 30EPSS 0.020 · 81 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://learn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.htmlcnnvd
- https://medium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3cnnvd
- https://medium.com/@tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-28884cnnvd
- https://learn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.htmlenisa_euvd
- https://medium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3enisa_euvd
- https://learn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.htmlVendor Advisorynvd
- https://medium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3nvd
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