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NTAP-20211014-0004 — CVE-2021-41617 OpenSSH Vulnerability in NetApp Products

Published 2021-10-14 · Updated 2024-03-07 · Status: Interim · Exploitation: Public · Severity: HIGH 7.0 · ONTAP affected: Yes

Official advisory: NTAP-20211014-0004 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · Baseboard management controllers · Cloud Backup / AltaVault / SteelStore · SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 7.0

CVEs in this advisory

CVE-2021-41617 — HIGH · CVSS 7.0 · site index

What the CVE records say

CVE-2021-41617 — sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).

Affected products

Brocade Fabric Operating System Firmware
FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250
NetApp Cloud Backup (formerly AltaVault)
NetApp SolidFire & HCI Management Node
NetApp SolidFire Baseboard Management Controller (BMC)
ONTAP 9 (formerly Clustered Data ONTAP)
ONTAP Select Deploy administration utility

Official fixes

ONTAP 9 (formerly Clustered Data ONTAP) — vendor fix ↗
ONTAP 9 (formerly Clustered Data ONTAP) — vendor fix ↗
ONTAP 9 (formerly Clustered Data ONTAP) — vendor fix ↗
ONTAP 9 (formerly Clustered Data ONTAP) — vendor fix ↗
ONTAP 9 (formerly Clustered Data ONTAP) — vendor fix ↗
FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250 — vendor fix ↗
ONTAP Select Deploy administration utility — vendor fix ↗

References

https://www.openssh.com/security.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.