CVE-2020-7961

9.8 CRITICAL CISA KEV - Actively Exploited

Published: March 20, 2020 Modified: November 07, 2025

Description

Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://portal.liferay.dev/learn/security/known-vulnerabilities

Source: cve@mitre.org

Broken Link Vendor Advisory

https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271

Source: cve@mitre.org

Broken Link Vendor Advisory

https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/

Source: cve@mitre.org

Exploit Third Party Advisory

http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html