CVE-2023-3223

Name: CVE-2023-3223
Creator: NVD / NIST
Published: 2023-09-27T15:18:56.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.04%

Last modified Jun 17, 2026

CVE-2023-3223 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. EPSS estimates a 2.04% chance of exploitation in the next 30 days.

Description

A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.04%

78.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-789

Affected Software

Vendor	Product	Versions
Redhat	Undertow	< 2.2.24
Redhat	Openshift Container Platform	4.11
Redhat	Openshift Container Platform	4.12
Redhat	Openshift Container Platform For Ibm Linuxone	4.9
Redhat	Openshift Container Platform For Ibm Linuxone	4.10
Redhat	Openshift Container Platform For Power	4.9
Redhat	Openshift Container Platform For Power	4.10
Redhat	Jboss Enterprise Application Platform Text-Only Advisories	All versions
Redhat	Single Sign-On	All versions
Redhat	Single Sign-On	7.6
Redhat	Jboss Enterprise Application Platform	7.4

References

https://access.redhat.com/errata/RHSA-2023:4505Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4506Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4507Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4509Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4918Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4919Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4920Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4921Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4924Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7247
https://access.redhat.com/security/cve/CVE-2023-3223Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2209689Issue Tracking, Vendor Advisory
https://security.netapp.com/advisory/ntap-20231027-0004/
https://access.redhat.com/errata/RHSA-2023:4505Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4506Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4507Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4509Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4918Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4919Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4920Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4921Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4924Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7247
https://access.redhat.com/security/cve/CVE-2023-3223Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2209689Issue Tracking, Vendor Advisory
https://security.netapp.com/advisory/ntap-20231027-0004/

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3223?

How severe is CVE-2023-3223?

CVE-2023-3223 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3223?

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-2023-3223?

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

Scan your code now

Source: NVD / NIST