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NTAP-20210601-0001 — CVE-2021-26994 Denial of Service Vulnerability in Clustered Data ONTAP

Published 2021-06-01 · Updated 2021-06-01 · Status: Final · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes

Official advisory: NTAP-20210601-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 6.5

CVEs in this advisory

CVE-2021-26994 — MEDIUM · CVSS 6.5 · site index

What the CVE records say

CVE-2021-26994 — Clustered Data ONTAP versions prior to 9.7P13 and 9.8P3 are susceptible to a vulnerability which could allow single workloads to cause a Denial of Service (DoS) on a cluster node.

Impact

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

Affected products

Clustered Data ONTAP

Official fixes

Clustered Data ONTAP — vendor fix ↗
Clustered Data ONTAP — 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.