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NTAP-20220331-0008 — CVE-2022-23308 Libxml2 Vulnerability in NetApp Products
Published 2022-03-31 · Updated 2025-04-18 · Status: Interim · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes
Official advisory: NTAP-20220331-0008 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 · Other NetApp products · ONTAP · SnapManager / Snap utilities | ONTAP-relevant | highest CVSS: 7.5
CVEs in this advisory
- CVE-2022-23308 — HIGH · CVSS 7.5 · site index
What the CVE records say
CVE-2022-23308 — valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.
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 Compute Node (Bootstrap OS)
- NetApp Manageability SDK
- NetApp SMI-S Provider
- NetApp SolidFire & HCI Management Node
- NetApp SolidFire & HCI Storage Node (Element Software)
- ONTAP 9
- ONTAP Antivirus Connector
- ONTAP Select Deploy administration utility
- SnapDrive for Unix
Official fixes
- Active IQ Unified Manager for VMware vSphere — vendor fix ↗
- ONTAP 9 — vendor fix ↗
- ONTAP 9 — vendor fix ↗
- ONTAP 9 — vendor fix ↗
- ONTAP 9 — vendor fix ↗
- ONTAP Antivirus Connector — vendor fix ↗
- NetApp Manageability SDK — vendor fix ↗
- NetApp SolidFire & HCI Management Node — vendor fix ↗
- NetApp SolidFire & HCI Storage Node (Element Software) — vendor fix ↗
- ONTAP Select Deploy administration utility — 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