liferay liferay-portal CVE-2020-7961 is a vulnerability in Liferay Portal
Published on March 20, 2020

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).

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Liferay Portal prior to 7.2.1 CE GA2 Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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).

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-7961 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2020-7961 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2020-7961

You can be notified by stack.watch whenever vulnerabilities like CVE-2020-7961 are published in these products:

Liferay Portal
 

What versions of Liferay Portal are vulnerable to CVE-2020-7961?