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CVE-2024-28757

HIGH
7.5
CVSS Score
Published: March 10, 2024 at 12:00 AM UTC
Updated: October 15, 2026 at 01:17 AM UTC
14 products affected across 3 vendorsFedoraActive IQ Unified ManagerOnCommand Workflow Automation· also runs on 7 platforms

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
383940
Libexpat· Libexpat Project
95%
v < 2.6.2
Affected range stops below 2.6.2, so it looks safe — our inference, not a vendor statement
Active IQ Unified Manager· NetAppnpm
95%
All versions
H300S Firmware· NetAppdrupal
95%
All versions
netapp-h300s (same device)
H410C Firmware· NetAppdrupal
95%
All versions
netapp-h410c (same device)
H410S Firmware· NetAppdrupal
95%
All versions
netapp-h410s (same device)
H500S Firmware· NetAppdrupal
95%
All versions
netapp-h500s (same device)
H610C Firmware· NetApp
95%
All versions
netapp-h610c (same device)
H610S Firmware· NetApp
95%
All versions
netapp-h610s (same device)
H700S Firmware· NetAppdrupal
95%
All versions
netapp-h700s (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (12)

Mailing ListPatchRelease Notes
Source: [email protected]
http://www.openwall.com/lists/oss-security/2024/03/15/1
ExploitIssue TrackingPatch
Source: [email protected]
https://github.com/libexpat/libexpat/issues/839
Issue TrackingPatch
Source: [email protected]
https://github.com/libexpat/libexpat/pull/842
Vendor AdvisoryMailing List
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/
Vendor AdvisoryMailing List
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/
Vendor AdvisoryMailing List
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20240322-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/[email protected]/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-776

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