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NTAP-20200924-0001 — CVE-2020-24977 Libxml2 Vulnerability in NetApp Products
Published 2020-09-24 · Updated 2022-01-06 · Status: Final · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes
Official advisory: NTAP-20200924-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: Active IQ Unified Manager · ONTAP · Cloud Backup / AltaVault / SteelStore · Other NetApp products · SnapManager / Snap utilities | ONTAP-relevant | highest CVSS: 6.5
CVEs in this advisory
- CVE-2020-24977 — MEDIUM · CVSS 6.5 · site index
What the CVE records say
CVE-2020-24977 — GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e.
Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).
Affected products
- Active IQ Unified Manager for VMware vSphere
- Clustered Data ONTAP
- Clustered Data ONTAP Antivirus Connector
- NetApp Cloud Backup (formerly AltaVault)
- NetApp Manageability SDK
- NetApp Plug-in for Symantec NetBackup
- NetApp SMI-S Provider
- SnapDrive for Unix
- SnapDrive for Windows
Official fixes
- NetApp Manageability SDK — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Clustered Data ONTAP — vendor fix ↗
- Active IQ Unified Manager for VMware vSphere — vendor fix ↗
- SnapDrive for Windows — vendor fix ↗
- Clustered Data ONTAP Antivirus Connector — vendor fix ↗
- SnapDrive for Unix — vendor fix ↗
- NetApp SMI-S Provider — vendor fix ↗
References
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 2020