All vulnerabilities
CVE-2020-7961

Liferay Portal Deserialization of Untrusted Data Vulnerability

Liferay Liferay Portal
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 25 Nov 2019Exploit code publicMetasploit
  2. 20 Mar 2020, 18:16 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Exploit moduleLiferay Portal Java Unmarshalling via JSONWS RCE 25 Nov 2019Metasploit
  • Remote exploitLiferay Portal - Java Unmarshalling via JSONWS RCE (Metasploit) 16 Apr 2020Exploit-DB
  • Scanner templateLiferay Portal Unauthenticated < 7.2.1 CE GA2 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 5