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NTAP-20220901-0005 — CVE-2022-37434 Zlib Vulnerability in NetApp Products

Published 2022-09-01 · Updated 2026-01-16 · Status: Final · Exploitation: Public · Severity: CRITICAL 9.8 · ONTAP affected: Yes

Official advisory: NTAP-20220901-0005 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 · StorageGRID | ONTAP-relevant | highest CVSS: 9.8

CVEs in this advisory

CVE-2022-37434 — CRITICAL · CVSS 9.8 · site index

What the CVE records say

CVE-2022-37434 — zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).

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 Microsoft Windows
Active IQ Unified Manager for VMware vSphere
Management Services for Element Software and NetApp HCI
NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
NetApp HCI Compute Node (Bootstrap OS)
ONTAP Select Deploy administration utility
OnCommand Workflow Automation
StorageGRID (formerly StorageGRID Webscale)

Official fixes

Active IQ Unified Manager for Microsoft Windows — vendor fix ↗
Active IQ Unified Manager for VMware vSphere — vendor fix ↗
Management Services for Element Software and NetApp HCI — vendor fix ↗
OnCommand Workflow Automation — vendor fix ↗
ONTAP Select Deploy administration utility — vendor fix ↗
StorageGRID (formerly StorageGRID Webscale) — vendor fix ↗
StorageGRID (formerly StorageGRID Webscale) — 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.