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NTAP-20210625-0002 — May 2021 Libxml2 Vulnerabilities in NetApp Products
Published 2021-06-25 · Updated 2025-05-15 · Status: Final · Exploitation: Public
Official advisory: NTAP-20210625-0002 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
CVEs in this advisory
Affected products
- Active IQ Unified Manager for VMware vSphere
- NetApp Cloud Backup (formerly AltaVault)
- NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
- NetApp HCI Baseboard Management Controller (BMC) - H410C
- NetApp Manageability SDK
- NetApp SMI-S Provider
- ONTAP 9
- ONTAP Antivirus Connector
- ONTAP Select Deploy administration utility
- SnapDrive for Unix
- SnapDrive for Windows
What to do
- Check your ONTAP versions against the official advisory's affected-versions table.
- 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).
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