Vulnerability Monitor

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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).

Published

2020-03-20T19:15:12.737

Last Modified

2025-10-22T00:17:11.740

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-502
Type: Secondary
CWE-502

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	liferay	liferay_portal	< 7.2.1	Yes

References

http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html Third Party Advisory, VDB Entry ([email protected])
https://portal.liferay.dev/learn/security/known-vulnerabilities Vendor Advisory ([email protected])
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271 Broken Link, Vendor Advisory ([email protected])
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/ Exploit, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://portal.liferay.dev/learn/security/known-vulnerabilities Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271 Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961 (134c704f-9b21-4f2e-91b3-4a467353bcc0)