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Findings

CVE-2020-7961

Liferay Portal Deserialization of Untrusted Data Vulnerability

Published Mar 20, 2020 · updated Jun 16, 2026 · liferay liferay portal

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).

Timeline

Detection, updates, and resolution for this record.

  1. Mar 20, 2020 · Catalog

    Detected

    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).

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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).

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe liferay/liferay portalversion unspecified
  • vendor Liferay Liferay Portalversion unspecified

Sources

  • CISA KEVCVE-2020-7961

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

    cisa.gov
  • CVE.orgCVE-2020-7961

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2020-7961

    30-day exploitation probability 99.9%

    first.org
  • Exploit Database48332

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_multi/http/liferay_java_unmarshalling

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-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).

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm Securityhttp://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

CVE-2020-7961 · ZeroDay Findings