CVE-2021-29040

Liferay Portal and Liferay DXP Reveals Data via Overly Verbose Error Messages

5.3 MediumFix available

The JSON web services in Liferay Portal 7.3.4 and earlier, and Liferay DXP 7.0 before fix pack 97, 7.1 before fix pack 20 and 7.2 before fix pack 10 may provide overly verbose error messages, which allows remote attackers to use the contents of error messages to help launch another, more focused attacks via crafted inputs.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

1.08%Up 0.2 points since May 17, 2021

What each source reports

NVD Score used 5.3

Record: CVE-2021-29040
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-29040
Updated: 2026-11-02

EUVDEUVD-2021-15686 No score

Record: EUVD-2021-15686
Updated: 2026-11-02

GitHub AdvisoriesGHSA-87x7-pwrx-jch7 5.3

Liferay Portal and Liferay DXP Reveals Data via Overly Verbose Error Messages

Record: GHSA-87x7-pwrx-jch7
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

OSV 5.3

Record: CVE-2021-29040
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVGHSA-87x7-pwrx-jch7 5.3

Liferay Portal and Liferay DXP Reveals Data via Overly Verbose Error Messages

Record: GHSA-87x7-pwrx-jch7
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`com.liferay.portal:release.portal.bom` Maven	before 7.3.5	7.3.5
`com.liferay.portal:release.dxp.bom` Maven	before 7.0.10.fp97	7.0.10.fp97
`com.liferay.portal:release.dxp.bom` Maven	7.1.0 up to 7.1.10.fp20	7.1.10.fp20
`com.liferay.portal:release.dxp.bom` Maven	7.2.0 up to 7.2.10.fp10	7.2.10.fp10
`com.liferay.portal:release.portal.bom` Maven	before 7.3.5, plus listed versions 7.0.67.0.6-17.0.6-27.1.07.1.1 Show 15 moreShow less 7.1.27.1.37.1.3-17.2.07.2.17.2.1-17.3.07.3.0-17.3.17.3.1-17.3.27.3.2-17.3.37.3.3-17.3.4	7.3.5
`com.liferay.portal:release.dxp.bom` Maven	before 7.0.10.fp97, plus listed versions 7.0.10.fp607.0.10.fp617.0.10.fp627.0.10.fp637.0.10.fp64 Show 36 moreShow less 7.0.10.fp657.0.10.fp667.0.10.fp677.0.10.fp687.0.10.fp697.0.10.fp707.0.10.fp717.0.10.fp727.0.10.fp737.0.10.fp747.0.10.fp757.0.10.fp767.0.10.fp777.0.10.fp787.0.10.fp797.0.10.fp807.0.10.fp817.0.10.fp827.0.10.fp837.0.10.fp847.0.10.fp857.0.10.fp85-17.0.10.fp867.0.10.fp86-17.0.10.fp877.0.10.fp87-17.0.10.fp887.0.10.fp897.0.10.fp907.0.10.fp917.0.10.fp927.0.10.fp947.0.10.fp94-17.0.10.fp957.0.10.fp95-17.0.10.fp95-2	7.0.10.fp97
`com.liferay.portal:release.dxp.bom` Maven	7.1.0 up to 7.1.10.fp20, plus listed versions 7.1.107.1.10.fp17.1.10.fp107.1.10.fp117.1.10.fp12 Show 15 moreShow less 7.1.10.fp137.1.10.fp147.1.10.fp157.1.10.fp167.1.10.fp177.1.10.fp187.1.10.fp197.1.10.fp27.1.10.fp37.1.10.fp47.1.10.fp57.1.10.fp67.1.10.fp77.1.10.fp87.1.10.fp9	7.1.10.fp20
`com.liferay.portal:release.dxp.bom` Maven	7.2.0 up to 7.2.10.fp10, plus listed versions 7.2.17.2.107.2.10.fp17.2.10.fp1-17.2.10.fp2 Show 7 moreShow less 7.2.10.fp37.2.10.fp47.2.10.fp57.2.10.fp67.2.10.fp77.2.10.fp87.2.10.fp9	7.2.10.fp10

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-29040 is a medium vulnerability (CVSS 5.3) in Liferay Portal, published May 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in com.liferay.portal:release.portal.bom 7.3.5.