CVE-2021-29052Network attack vector

Authenticated DDMStructure disclosure via missing permission check

Published May 17, 2021 · Updated Jul 9, 2026

Authorization bypass in Liferay Portal 7.3.0 through 7.3.5 and DXP 7.3 before fix pack 1 lets remote authenticated users view DDMStructures. DataDefinitionResourceImpl.getSiteDataDefinitionByContentTypeByDataDefinitionKey returns definitions through GET requests without checking the caller's permissions. Any authenticated remote account can read the affected metadata, with no reported ability to modify it or interrupt the service.

CVSS severity4.3
Medium
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Liferay Portal 7.3.0 through 7.3.5 and DXP 7.3 before fix pack 1 lets remote authenticated users view DDMStructures. DataDefinitionResourceImpl.getSiteDataDefinitionByContentTypeByDataDefinitionKey returns definitions through GET requests without checking the caller's permissions. Any authenticated remote account can read the affected metadata, with no reported ability to modify it or interrupt the service.

The record

CVE
CVE-2021-29052
Published
May 17, 2021
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-276, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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