# CVE-2020-7961

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).

- Page: https://www.vulneraibility.com/cve/CVE-2020-7961
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 99.91% (percentile 100.0)
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 10 GitHub proofs of concept · 1 Nuclei template (first 2020-03-26)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-502
- Published: 2020-03-20

## Affected

- liferay:liferay_portal

## References

- [other] https://portal.liferay.dev/learn/security/known-vulnerabilities
- [other] https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
- [other] http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
- [other] https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.