CVE-2020-7961

liferay portal

Published 20 Mar 2020 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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).

References

packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html · Third Party Advisory, VDB Entry
packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html · Third Party Advisory, VDB Entry
portal.liferay.dev/learn/security/known-vulnerabilities · Broken Link, Vendor Advisory
portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271 · Broken Link, Vendor Advisory
research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/ · Exploit, Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961 · US Government Resource