CVE-2021-33320

Name: CVE-2021-33320
Creator: NVD / NIST
Published: 2021-08-03T19:15:08.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2021-33320 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The Flags module in Liferay Portal 7.3.1 and earlier, and Liferay DXP 7.0 before fix pack 96, 7.1 before fix pack 20, and 7.2 before fix pack 5, does not limit the rate at which content can be flagged as inappropriate, which allows remote authenticated users to spam the site administrator with emails. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

The Flags module in Liferay Portal 7.3.1 and earlier, and Liferay DXP 7.0 before fix pack 96, 7.1 before fix pack 20, and 7.2 before fix pack 5, does not limit the rate at which content can be flagged as inappropriate, which allows remote authenticated users to spam the site administrator with emails

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.20%

64.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	7.0
Liferay	Digital Experience Platform	7.1
Liferay	Digital Experience Platform	7.2
Liferay	Liferay Portal	< 7.3.1

References

https://issues.liferay.com/browse/LPE-17007Patch, Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120747590Patch, Release Notes, Vendor Advisory
https://issues.liferay.com/browse/LPE-17007Patch, Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120747590Patch, Release Notes, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-33320?

How severe is CVE-2021-33320?

CVE-2021-33320 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33320?

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-2021-33320?

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

Scan your code now

Source: NVD / NIST