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NTAP-20221215-0002 — CVE-2021-3671 Samba Vulnerability in NetApp Products
Published 2022-12-15 · Updated 2022-12-15 · Status: Final · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: No — other NetApp product
Official advisory: NTAP-20221215-0002 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: SolidFire / NetApp HCI · StorageGRID | other NetApp product | highest CVSS: 6.5
CVEs in this advisory
- CVE-2021-3671 — MEDIUM · CVSS 6.5 · site index
What the CVE records say
CVE-2021-3671 — A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Impact
Successful exploitation of this vulnerability could lead to Denial of Service (DoS).
Affected products
- Management Services for Element Software and NetApp HCI
- StorageGRID (formerly StorageGRID Webscale)
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 2022