Liferay Portal Remote Code Execution (direct check)

critical Nessus Plugin ID 146861
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The web application running on the remote web server is affected by a remote code execution vulnerability.


A remote code execution vulnerability exists in Liferay Portal prior to 7.2.1 CE GA2 due to Deserialization of Untrusted Data. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands.


Refer to the vendor advisory.

See Also

Plugin Details

Severity: Critical

ID: 146861

File Name: liferay_portal-cve-2020-7961.nbin

Version: 1.10

Type: remote

Family: Web Servers

Published: 2/25/2021

Updated: 11/30/2021

Dependencies: liferay_detect.nasl

Risk Information

CVSS Score Source: CVE-2020-7961


Risk Factor: Critical

Score: 9.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:H/RL:OF/RC:C


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:liferay:liferay_portal

Required KB Items: installed_sw/liferay_portal

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/25/2019

Vulnerability Publication Date: 3/20/2020

Exploitable With

Metasploit (Liferay Portal Java Unmarshalling via JSONWS RCE)

Reference Information

CVE: CVE-2020-7961

IAVA: 2021-A-0296