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MEDIUM severity

CVE-2021-29052 — release.portal.bom

MEDIUM

CVE-2021-29052 is a medium-severity (CVSS 4.3) Incorrect Default Permissions vulnerability in com.liferay.portal:release.portal.bom. A fix is available for com.liferay.portal:release.portal.bom — see the affected versions and patch details below.

Liferay Portal and Liferay DXP Fails to Check Permissions

Also known asGHSA-pr7v-qv65-rp9m
Published
Updated
Affected
2 pkgs
Patched
1 / 2
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs56th percentile — riskier than 56% of all scored CVEsHighest risk
0.00%0.42%0.85%1.27%0.1%0.8%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
☕com.liferay.portal:release.portal.bom☕com.liferay.portal:release.dxp.bom

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

The Data Engine module in Liferay Portal 7.3.0 through 7.3.5, and Liferay DXP 7.3 before fix pack 1 does not check permissions in DataDefinitionResourceImpl.getSiteDataDefinitionByContentTypeByDataDefinitionKey, which allows remote authenticated users to view DDMStructures via GET API calls.

Affected Packages

2 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.liferay.portal:release.portal.bom≥ 7.3.0No fix
☕Mavencom.liferay.portal:release.dxp.bomall versions7.3.10.fp1com.liferay.portal:release.dxp.bom:7.3.10.fp1

Affected Products

2 products · 2 configurations
Application
dxpliferay
1 version
7.3
Application
liferay portalliferay
≥ 7.3.0 && ≤ 7.3.5
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.liferay.portal:release.portal.bom, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    A fix is available for CVE-2021-29052; check the affected-versions list above or the advisory for the patched release of com.liferay.portal:release.portal.bom, then make sure no transitive dependency still pins the vulnerable range.

  3. Workarounds

    Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Frequently Asked Questions

The Data Engine module in Liferay Portal 7.3.0 through 7.3.5, and Liferay DXP 7.3 before fix pack 1 does not check permissions in DataDefinitionResourceImpl.getSiteDataDefinitionByContentTypeByDataDefinitionKey, which allows remote authenticated users to view DDMStructures via GET API calls.
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CVE-2021-29052: release.portal.bom — Fixed in 7.3.10.fp1