CVE-2021-29040

Name: CVE-2021-29040
Creator: NVD / NIST
Published: 2021-05-16T16:15:07.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2021-29040 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	< 7.0
Liferay	Digital Experience Platform	7.0
Liferay	Digital Experience Platform	7.1
Liferay	Digital Experience Platform	7.2
Liferay	Liferay Portal	<= 7.3.4

References

http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743429Vendor Advisory
http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743429Vendor Advisory

Timeline

Published: May 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29040?

How severe is CVE-2021-29040?

CVE-2021-29040 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29040?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29040?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST