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  5. CVE-2020-15840

CVE-2020-15840: Liferay Portal and Liferay DXP Bypass via Double Encoded URL

May 24, 2022 (updated May 28, 2025)

In Liferay Portal before 7.3.1, com.liferay.portal:com.liferay.portal.impl before 7.1.3 and 7.4.0, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property ‘portlet.resource.id.banned.paths.regexp’ can be bypassed with doubled encoded URLs.

References

  • github.com/advisories/GHSA-vrwx-q9pj-x488
  • github.com/liferay/liferay-portal
  • issues.liferay.com/browse/LPE-17046
  • nvd.nist.gov/vuln/detail/CVE-2020-15840
  • portal.liferay.dev/learn/security/known-vulnerabilities
  • portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119772204
  • security.snyk.io/vuln/SNYK-JAVA-COMLIFERAYPORTAL-1296538

Code Behaviors & Features

Detect and mitigate CVE-2020-15840 with GitLab Dependency Scanning

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Affected versions

All versions before 7.3.1

Fixed versions

  • 7.3.1

Solution

Upgrade to version 7.3.1 or above.

Impact 5.3 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-284: Improper Access Control

Source file

maven/com.liferay.portal/release.portal.bom/CVE-2020-15840.yml

Spotted a mistake? Edit the file on GitLab.

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