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NTAP-20211012-0001 — CVE-2021-27003 X-Frame-Options Header Vulnerability in Clustered Data ONTAP

Published 2021-10-12 · Updated 2021-10-12 · Status: Final · Exploitation: Public · Severity: MEDIUM 4.7 · ONTAP affected: Yes

Official advisory: NTAP-20211012-0001 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 4.7

CVEs in this advisory

CVE-2021-27003 — MEDIUM · CVSS 4.7 · site index

What the CVE records say

CVE-2021-27003 — Clustered Data ONTAP versions prior to 9.5P18, 9.6P15, 9.7P14, 9.8P5 and 9.9.1 are missing an X-Frame-Options header which could allow a clickjacking attack.

Impact

Successful exploitation of this vulnerability could allow a clickjacking attack.

Affected products

Clustered Data ONTAP

Official fixes

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 ↗

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.