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NTAP-20250620-0009 — CVE-2025-4947 Libcurl Vulnerability in NetApp Products

Published 2025-06-20 · Updated 2026-09-29 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes

Official advisory: NTAP-20250620-0009 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Active IQ Unified Manager · ONTAP · NetApp Console / BlueXP | ONTAP-relevant | highest CVSS: 6.5

CVEs in this advisory

CVE-2025-4947 — MEDIUM · CVSS 6.5 · site index

What the CVE records say

CVE-2025-4947 — libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information or addition or modification of data.

Affected products

Active IQ Unified Manager for Microsoft Windows
ONTAP tools for VMware vSphere 10
NetApp Console Agent OVA

Official fixes

ONTAP tools for VMware vSphere 10 — vendor fix ↗

References

https://curl.se/docs/CVE-2025-4947.html ↗

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.