What is CVE-2021-29040?

CVE-2021-29040 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2021-05-16.

How severe is CVE-2021-29040?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Liferay Digital Experience Platform

CVE-2021-29040

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.

Published 2021-05-16 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Liferay Digital Experience Platform — versions 7.0, 7.1, 7.2
Liferay Portal

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5m… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-29040?: CVE-2021-29040 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2021-05-16.
How severe is CVE-2021-29040?: Medium severity. CVSS v3 base score is 5.3 out of 10.