CVE-2021-33327 Liferay Portal and Liferay DXP does not properly check user permission

Medium 4.3 Published Updated

Authenticated users can bypass role visibility restrictions to view Guest and User roles in Liferay Portal.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-33327?

CVE-2021-33327 is a medium-severity missing authorization vulnerability in Liferay Digital Experience Platform, published on 3 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Portlet Configuration module in Liferay Portal 7.2.0 through 7.3.3, and Liferay DXP 7.0 fix pack pack 93 and 94, 7.1 fix pack 18, and 7.2 before fix pack 8, does not properly check user permission, which allows remote authenticated users to view the Guest and User role even if "Role Visibility" is enabled.

Weakness: CWE-276

Which versions are affected by CVE-2021-33327?

8 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom and com.liferay:com.liferay.portlet.configuration.web. It affects 2 products.

PackageAffectedFixed in
com.liferay.portal:release.dxp.bom MavenFrom 7.0.10.fp937.0.10.fp95
com.liferay.portal:release.dxp.bom MavenFrom 7.0.10.fp937.0.10.fp95
com.liferay.portal:release.dxp.bom MavenFrom 7.1.10.fp187.1.10.fp19
com.liferay.portal:release.dxp.bom MavenFrom 7.1.10.fp187.1.10.fp19
com.liferay.portal:release.dxp.bom MavenFrom 7.2.07.2.10.fp8
com.liferay.portal:release.dxp.bom MavenFrom 7.2.07.2.10.fp8
2 more packages
com.liferay:com.liferay.portlet.configuration.web MavenAll versions4.0.13
com.liferay:com.liferay.portlet.configuration.web MavenAll versions4.0.13

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2021-33327?

Upgrade com.liferay.portal:release.dxp.bom to a fixed version for your release line: 7.0.10.fp95, 7.1.10.fp19 or 7.2.10.fp8.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-33327 being exploited?

There is no known exploitation of CVE-2021-33327 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as GHSA-22wc-7wmm-v4cc.

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