---
id: CVE-2021-29052
title: >-
  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 authe…
summary: >-
  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 authe…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-276
vendor: liferay
product: dxp
affected:
  - dxp = 7.3
  - 'liferay_portal >= 7.3.0, <= 7.3.5'
published: '2021-05-17'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-29052'
references:
  - url: >-
      https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743159
    label: cve@mitre.org
  - url: 'http://liferay.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743159
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00771
epssPercentile: 0.53688
ingestedAt: '2026-07-05T00:59:25.867Z'
---

## Overview

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

- `dxp = 7.3`
- `liferay_portal >= 7.3.0, <= 7.3.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.