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CVE-2020-28884

7.2 · HIGH

Liferay Portal Server tested on 7.3.5 GA6, 7.2.0 GA1 is affected by OS Command Injection.

Published Jan 28, 2022CWE-78EPSS 2.03%

Overview

CVE-2020-28884 is a high-severity vulnerability. It was published on January 28, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflearn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.htmlRefmedium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3Reflearn.liferay.com/dxp/latest/en/system-administration/using-the-script-engine/running-scripts-from-the-script-console.htmlRefmedium.com/%40tranpdanh/some-way-to-execute-os-command-in-liferay-portal-84498bde18d3

How CyberStrike helps

Frequently asked questions

What is CVE-2020-28884?

CVE-2020-28884 is a high-severity vulnerability. It was published on January 28, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2020-28884?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-28884?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-28884?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-28884 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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