CVE-2020-7961
Liferay Portal Deserialization of Untrusted Data Vulnerability
- Published
- Mar 20, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- mitre
- Evidence observed
- Apr 16, 2020
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 100.0%
- Model date
- Oct 16, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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).
Sources
liferay-portal/CVE-2020-7961
Liferay Portal CE Deserialization Remote Code Execution (CVE-2020-7961)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/liferay-portal:7.2.0-ga1(liferay-portal/CVE-2020-7961/docker-compose.yml:services.web.image)
http/cves/2020/CVE-2020-7961.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: regex,status($.matchers[*].type)
modules/exploits/multi/http/liferay_java_unmarshalling.rb
Metasploit Framework modulesDeclared conditions
- platform: Java($.exploit_multi/http/liferay_java_unmarshalling.platform)
- verification: check_declared($.exploit_multi/http/liferay_java_unmarshalling.check)
Responsible use
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