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NTAP-20221118-0007 — CVE-2022-43680 libexpat Vulnerability in NetApp Products
Published 2022-11-18 · Updated 2026-07-30 · Status: Interim · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes
Official advisory: NTAP-20221118-0007 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: Active IQ Unified Manager · SolidFire / NetApp HCI · ONTAP · OnCommand family · Other NetApp products | ONTAP-relevant | highest CVSS: 7.5
CVEs in this advisory
- CVE-2022-43680 — HIGH · CVSS 7.5 · site index
What the CVE records say
CVE-2022-43680 — In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
Impact
Successful exploitation of this vulnerability could lead to Denial of Service (DoS).
Affected products
- Active IQ Unified Manager for VMware vSphere
- NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
- NetApp HCI Baseboard Management Controller (BMC) - H410C
- NetApp HCI Baseboard Management Controller (BMC) - H610C
- NetApp HCI Baseboard Management Controller (BMC) - H610S
- NetApp HCI Baseboard Management Controller (BMC) - H615C
- NetApp HCI Compute Node (Bootstrap OS)
- NetApp SolidFire & HCI Management Node
- NetApp SolidFire & HCI Storage Node (Element Software)
- ONTAP tools for VMware vSphere 10
- OnCommand Workflow Automation
- SAN Host Utilities for Windows
Official fixes
- Active IQ Unified Manager for VMware vSphere — vendor fix ↗
- SAN Host Utilities for Windows — vendor fix ↗
- NetApp HCI Compute Node (Bootstrap OS) — vendor fix ↗
- NetApp SolidFire & HCI Management Node — vendor fix ↗
- NetApp SolidFire & HCI Storage Node (Element Software) — vendor fix ↗
- OnCommand Workflow Automation — vendor fix ↗
- ONTAP tools for VMware vSphere 10 — vendor fix ↗
- ONTAP tools for VMware vSphere 10 — vendor fix ↗
What to do
- Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
- If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
- If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
- Harden in parallel: security hardening baseline and ransomware protection on ONTAP.
Related reading
- Common ONTAP problems (FAQ) — plain-language symptoms and fixes
- ONTAP security hardening — baseline lockdown guidance
- Ransomware protection on ONTAP — SnapLock, SnapMirror vaulting, Anomaly Detection
- ONTAP error messages index — EMS/WAFL/NFS/SnapMirror messages
- Every NetApp advisory published in 2022