CVE-2021-33330

Name: CVE-2021-33330
Creator: NVD / NIST
Published: 2021-08-03T19:15:08.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2021-33330 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Liferay Portal 7.2.0 through 7.3.2, and Liferay DXP 7.2 before fix pack 9, allows access to Cross-origin resource sharing (CORS) protected resources if the user is only authenticated using the portal session authentication, which allows remote attackers to obtain sensitive information including the targeted user’s email address and current CSRF token.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

Liferay Portal 7.2.0 through 7.3.2, and Liferay DXP 7.2 before fix pack 9, allows access to Cross-origin resource sharing (CORS) protected resources if the user is only authenticated using the portal session authentication, which allows remote attackers to obtain sensitive information including the targeted user’s email address and current CSRF token.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	7.2
Liferay	Liferay Portal	>= 7.2.0, < 7.3.3

References

https://issues.liferay.com/browse/LPE-17127Patch, Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120747720Release Notes, Vendor Advisory
https://issues.liferay.com/browse/LPE-17127Patch, Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120747720Release Notes, Vendor Advisory

Timeline

Published: Aug 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33330?

How severe is CVE-2021-33330?

CVE-2021-33330 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33330?

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-2021-33330?

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

Scan your code now

Source: NVD / NIST