Vulnerability Details : CVE-2020-7961
Public exploit exists!
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).
Vulnerability category: Execute code
Products affected by CVE-2020-7961
- cpe:2.3:a:liferay:liferay_portal:*:*:*:*:community:*:*:*
Threat overview for CVE-2020-7961
Top countries where our scanners detected CVE-2020-7961
Top open port discovered on systems with this issue
80
IPs affected by CVE-2020-7961 480
Threat actors abusing to this issue?
Yes
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CVE-2020-7961 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Liferay Portal Deserialization of Untrusted Data Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-7961
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-7961
97.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2020-7961
-
Liferay Portal Java Unmarshalling via JSONWS RCE
Disclosure Date: 2019-11-25First seen: 2020-04-26exploit/multi/http/liferay_java_unmarshallingThis module exploits a Java unmarshalling vulnerability via JSONWS in Liferay Portal versions < 6.2.5 GA6, 7.0.6 GA7, 7.1.3 GA4, and 7.2.1 GA2 to execute code as the Liferay user. Tested against 7.2.0 GA1. Authors: - Markus Wulftange - Thomas Etrillard -
CVSS scores for CVE-2020-7961
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-04 |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-7961
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-7961
-
https://portal.liferay.dev/learn/security/known-vulnerabilities
Known VulnerabilitiesVendor Advisory
-
http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
Liferay Portal Remote Code Execution ≈ Packet StormThird Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html
Liferay Portal Java Unmarshalling Remote Code Execution ≈ Packet StormThird Party Advisory;VDB Entry
-
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
CST-7205 Unauthenticated Remote code execution via JSONWSVendor Advisory
-
https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
FreakOut – Leveraging Newest Vulnerabilities for creating a Botnet - Check Point ResearchExploit;Third Party Advisory
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