CVE-2020-7961

Known Exploited Public Exploit

Description

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).

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.41% Top 5%
KEV Since 
Vendor Advisory liferay.dev Vendor Advisory liferay.dev
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://portal.liferay.dev/learn/security/known-vulnerabilities vendor advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271 vendor advisory broken link
http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html vdb entry third party advisory
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html vdb entry third party advisory
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-7961?
CVE-2020-7961 has been scored as a critical severity vulnerability.
How to fix CVE-2020-7961?
To fix CVE-2020-7961, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7961 being actively exploited in the wild?
It is confirmed that CVE-2020-7961 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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