Deserialization of Untrusted Data in Liferay Enterprise Portal - CVE-2020-7961

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Main Vulnerability Database Vulnerabilities #VU49689

Deserialization of Untrusted Data in Liferay Enterprise Portal - CVE-2020-7961

Published: March 20, 2020 / Updated: February 20, 2022


Vulnerability identifier: #VU49689
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-7961
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Liferay
Affected software:
Liferay Enterprise Portal

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the JSON web services (JSONWS). A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-7961

Install updates from vendor's website.

Sources