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NTAP-20261021-0007 — CVE-2025-12084 Python Vulnerability in NetApp Products
Published 2026-10-21 · Updated 2026-10-21 · Status: Interim · Exploitation: Public · Severity: MEDIUM 5.3 · ONTAP affected: No — other NetApp product
Official advisory: NTAP-20261021-0007 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: SolidFire / NetApp HCI · Other NetApp products · NetApp Console / BlueXP | other NetApp product | highest CVSS: 5.3
CVEs in this advisory
- CVE-2025-12084 — MEDIUM · CVSS 5.3 · site index
What the CVE records say
CVE-2025-12084 — When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
Impact
Successful exploitation of this vulnerability could lead to Denial of Service (DoS).
Affected products
- Management Services for Element Software and NetApp HCI
- FAS/AFF BIOS - A900/9500
- NetApp Console Agent Container (docker_occm)
- NetApp Console Agent OVA
- NetApp NFS Plug-in for VMware VAAI
- NetApp SolidFire & HCI Management Node
- NetApp XCP NFS
- NetApp XCP SMB
- iNetApp SolidFire & HCI Storage Node (Element Software)
References
What to do
- Compare your installed product and version against the affected list above and the official advisory's affected-versions table.
- Apply the fixed release named in the official advisory, or the documented workaround if no fix ships yet.
- Limit management-plane exposure (BMC/management interfaces, web UIs, SNMP) until patched.
- Track follow-ups in the site CVE index and the security RSS feed.
Related reading
- Site CVE index — every CVE we track, split by year
- Security hub — recent NetApp advisories and what changed
- Security hardening baseline — applies to NetApp management planes generally
- Every NetApp advisory published in 2026