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NTAP-20250228-0003 — CVE-2025-26465 OpenSSH Vulnerability in NetApp Products

Published 2025-02-28 · Updated 2026-09-29 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.8 · ONTAP affected: Yes

Official advisory: NTAP-20250228-0003 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 · NetApp Console / BlueXP | ONTAP-relevant | highest CVSS: 6.8

CVEs in this advisory

CVE-2025-26465 — MEDIUM · CVSS 6.8 · site index

What the CVE records say

CVE-2025-26465 — A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. For an attack to be considered successful, the attacker needs to manage to exhaust the client's memory resource first, turning the attack complexity high.

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 VMware vSphere
NetApp HCI Compute Node (Bootstrap OS)
NetApp SolidFire & HCI Management Node
NetApp SolidFire & HCI Storage Node (Element Software)
ONTAP tools for VMware vSphere 9
Cloud Volumes ONTAP Mediator
NetApp Console Agent OVA
ONTAP tools for VMware vSphere 10

Official fixes

Active IQ Unified Manager for VMware vSphere — vendor fix ↗

References

https://www.openssh.com/releasenotes.html#9.9p2 ↗

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.