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CVE-2020-7961: Deserialization of Untrusted Data in Liferay Portal

May 24, 2022 (updated August 28, 2024)

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).

References

  • github.com/advisories/GHSA-w7pm-cc4v-f3g8
  • github.com/liferay/liferay-portal
  • github.com/liferay/liferay-portal/blob/7.2.1-ga2/portal-kernel/bnd.bnd
  • nvd.nist.gov/vuln/detail/CVE-2020-7961
  • portal.liferay.dev/learn/security/known-vulnerabilities
  • portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
  • research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet

Code Behaviors & Features

Detect and mitigate CVE-2020-7961 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 4.35.3

Fixed versions

  • 4.35.3

Solution

Upgrade to version 4.35.3 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

maven/com.liferay.portal/com.liferay.portal.kernel/CVE-2020-7961.yml

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