CVE-2024-28757

Name: CVE-2024-28757
Creator: NVD / NIST
Published: 2024-03-10T05:15:06.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.01%

Last modified Jun 17, 2026

CVE-2024-28757 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

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

2.01%

78.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libexpat Project	Libexpat	< 2.6.2
Fedoraproject	Fedora	38
Fedoraproject	Fedora	39
Fedoraproject	Fedora	40
Netapp	Active Iq Unified Manager	All versions
Netapp	Oncommand Workflow Automation	All versions
Netapp	Ontap	9
Netapp	Ontap Tools	10
Netapp	Windows Host Utilities	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	H410c Firmware	All versions
Netapp	H610c Firmware	All versions
Netapp	H610s Firmware	All versions

References

http://www.openwall.com/lists/oss-security/2024/03/15/1Mailing List, Patch, Release Notes
https://github.com/libexpat/libexpat/issues/839Exploit, Issue Tracking, Patch
https://github.com/libexpat/libexpat/pull/842Issue Tracking, Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/Mailing List
https://security.netapp.com/advisory/ntap-20240322-0001/Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/03/15/1Mailing List, Patch, Release Notes
https://github.com/libexpat/libexpat/issues/839Exploit, Issue Tracking, Patch
https://github.com/libexpat/libexpat/pull/842Issue Tracking, Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/
https://security.netapp.com/advisory/ntap-20240322-0001/Third Party Advisory

Timeline

Published: Mar 10, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-28757?

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

How severe is CVE-2024-28757?

CVE-2024-28757 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.

How do I fix CVE-2024-28757?

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-2024-28757?

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

Scan your code now

Source: NVD / NIST