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Arbitrary File Access Affecting com.liferay.portal:com.liferay.portal.impl package, versions [7.2.0,7.4.0) [0,7.1.3)

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.12% (47th percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-JAVA-COMLIFERAYPORTAL-1296538
  • published 25 May 2021
  • disclosed 24 Sep 2020
  • credit Unknown
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Introduced: 24 Sep 2020

CVE-2020-15840 Open this link in a new tab
CWE-552 Open this link in a new tab

How to fix?

Upgrade com.liferay.portal:com.liferay.portal.impl to version 7.4.0, 7.1.3 or higher.

Overview

com.liferay.portal:com.liferay.portal.impl is a package part of Liferay.

Affected versions of this package are vulnerable to Arbitrary File Access. The property portlet.resource.id.banned.paths.regexp can be bypassed with doubled encoded URLs, which allows remote attackers to access restricted portlet resources (e.g., files within /META-INF and /WEB-IN).