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NTAP-20230929-0007 — CVE-2020-21490 GNU Binutils Vulnerability in NetApp Products

Published 2023-09-29 · Updated 2024-04-25 · Status: Final · Exploitation: Public · Severity: MEDIUM 5.5 · ONTAP affected: Yes

Official advisory: NTAP-20230929-0007 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Cloud Backup / AltaVault / SteelStore · ONTAP · Other NetApp products | ONTAP-relevant | highest CVSS: 5.5

CVEs in this advisory

CVE-2020-21490 — MEDIUM · CVSS 5.5 · site index

What the CVE records say

CVE-2020-21490 — An issue was discovered in GNU Binutils 2.34. It is a memory leak when process microblaze-dis.c. This one will consume memory on each insn disassembled.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

Affected products

NetApp Cloud Backup OST Plug-in (formerly AltaVault OST Plug-in)
ONTAP Select Deploy administration utility
SRA Plugin for Linux

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗
SRA Plugin for Linux — vendor fix ↗

References

https://sourceware.org/bugzilla/show_bug.cgi?id=25249 ↗

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.