CVE-2020-7961
KEVCRITICAL 9.3EPSS 99.9%
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).
- CVSS v4.0 GitHub
- 9.3 CRITICAL
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 - CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 GitHub
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 99.91% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2021-11-03
- Nuclei
- critical · CWE-502
- Published
- 2020-03-20
- Updated
- 2025-10-21
Proof-of-concept exploits (11)
- CrackerCat/CVE-2020-7961-Mass2★ · 2021-01-03
- ShutdownRepo/CVE-2020-796118★ · 2021-01-15
- manrop2702/CVE-2020-79610★ · 2024-03-14
- mathiznogoud/Liferay-Deserialize-POC0★ · 2020-05-18
- mathiznogoud/Liferay-RCE5★ · 2021-04-09
- mzer0one/CVE-2020-7961-POC117★ · 2020-04-14
- neverhavenamee/CVE-2020-79610★ · 2025-09-13
- papa-anniekey/CustomSignatures1★ · 2021-03-24
- pashayogi/CVE-2020-7961-Mass0★ · 2022-05-22
- thelostworldFree/CVE-2020-7961-payloads5★ · 2020-04-03
- Alaa-abdulridha/POC-CVE-2020-7961-Token-iterate0★ · 2020-12-08
Nuclei templates (1)
Metasploit modules (1)
ExploitDB entries (1)
Vulhub environments (1)
Exploit collections (1)
- CVE-2020-7961.yamlzan8in/afrog
Security advisories
- https://portal.liferay.dev/learn/security/known-vulnerabilities
- https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxm…
- http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code…
- http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
- https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creat…
- advisories/GHSA-w7pm-cc4v-f3g8