CVE-2020-7961

KEV
Published: Mar 20, 2020 Last Modified: Nov 07, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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).

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9435
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

502

Deserialization of Untrusted Data

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Application Data Unexpected State Dos: Resource Consumption (Cpu) Varies By Context
Applicable Platforms
Languages: Java, JavaScript, PHP, Python, Ruby
Technologies: AI/ML, ICS/OT, Not Technology-Specific
Likelihood of Exploit: Medium
View CWE Details
Exploit

Liferay Portal - Java Unmarshalling via JSONWS RCE …

Verified

Liferay Portal - Java Unmarshalling via JSONWS RCE (Metasploit)

Author: Metasploit Published: Status: Verified
View Exploit Code →
Application

Liferay Portal by Liferay

Product Information
Vendor Liferay
Product Liferay Portal
Version Range Affected
To 7.2.1 (exclusive)
cpe:2.3:a:liferay:liferay_portal:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020…
http://packetstormsecurity.com/files/157254/Liferay-Portal-…
http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-R…
http://packetstormsecurity.com/files/158392/Liferay-Portal-…
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Executio…
https://portal.liferay.dev/learn/security/known-vulnerabili…
https://portal.liferay.dev/learn/security/known-vulnerabilities
https://portal.liferay.dev/learn/security/known-vulnerabili…
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publish…
https://research.checkpoint.com/2021/freakout-leveraging-ne…
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities…
http://packetstormsecurity.com/files/157254/Liferay-Portal-…
http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-R…
http://packetstormsecurity.com/files/158392/Liferay-Portal-…
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Executio…
https://portal.liferay.dev/learn/security/known-vulnerabili…
https://portal.liferay.dev/learn/security/known-vulnerabilities
https://portal.liferay.dev/learn/security/known-vulnerabili…
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publish…
https://research.checkpoint.com/2021/freakout-leveraging-ne…
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities…