What is the CVSS score of CVE-2021-33320?

CVE-2021-33320 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 1.2%.

Is there a patch available for CVE-2021-33320?

Yes, a patch is available for CVE-2021-33320. Update the affected software to the latest version immediately.

Digital Experience Platform CVE-2021-33320

MEDIUM

Allocation of Resources Without Limits or Throttling (CWE-770)

2021-08-03 cve@mitre.org

Denial Of Service Digital Experience Platform Liferay Portal

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Aug 03, 2021 - 19:15 nvd

MEDIUM 4.3

DescriptionNVD

AnalysisAI

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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Technical ContextAI

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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 Affected products include: Liferay Digital Experience Platform, Liferay Liferay Portal.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Set resource limits, implement rate limiting, validate input sizes.