HOMEVULNERABILITIESCVE-2024-40896
CRITICAL

CVE-2024-40896

CWE-611Published: December 23, 2024· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official Description

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.

NVD Source

Technical Analysis

CVE-2024-40896 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Vendors & Products

netapp13 product(s)
hci compute nodesolidfire \& hci management nodesolidfire \& hci storage nodeh300s firmwareh300sh410s firmwareh410sh500s firmwareh500sh700s firmwareh700sh410c firmware+1
xmlsoft1 product(s)
libxml2
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (3)

Quick Facts

CVE IDCVE-2024-40896
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-611
CISA KEVNo
Affected2 vendor(s)
PublishedDec 23, 2024

Related CVEs (CWE-611)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2024-40896 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.