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NTAP-20210304-0007 — CVE-2021-3326 GNU C Library (glibc) Vulnerability in NetApp Products

Published 2021-03-04 · Updated 2024-05-01 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20210304-0007 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Active IQ Unified Manager · Cloud Backup / AltaVault / SteelStore · SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2021-3326 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2021-3326 — The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

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 SolidFire Baseboard Management Controller (BMC)
ONTAP Select Deploy administration utility

Official fixes

Active IQ Unified Manager for VMware vSphere — 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.