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NTAP-20210618-0002 — CVE-2021-31879 GNU Wget Vulnerability in NetApp Products

Published 2021-06-18 · Updated 2024-11-14 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.1 · ONTAP affected: Yes

Official advisory: NTAP-20210618-0002 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Baseboard management controllers · Cloud Backup / AltaVault / SteelStore · ONTAP | ONTAP-relevant | highest CVSS: 6.1

CVEs in this advisory

CVE-2021-31879 — MEDIUM · CVSS 6.1 · site index

What the CVE records say

CVE-2021-31879 — GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

Impact

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

Affected products

FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250
NetApp Cloud Backup (formerly AltaVault)
ONTAP Select Deploy administration utility

Official fixes

FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250 — vendor fix ↗

References

https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.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.