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NTAP-20240531-0007 — CVE-2023-6237 OpenSSL Vulnerability in NetApp Products

Published 2024-05-31 · Updated 2026-03-05 · Status: Interim · Exploitation: Public · Severity: MEDIUM 5.9 · ONTAP affected: Yes

Official advisory: NTAP-20240531-0007 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Baseboard management controllers · Brocade SAN firmware · E-Series / SANtricity · SolidFire / NetApp HCI · ONTAP · SnapManager / Snap utilities · Other NetApp products | ONTAP-relevant | highest CVSS: 5.9

CVEs in this advisory

CVE-2023-6237 — MEDIUM · CVSS 5.9 · site index

What the CVE records say

CVE-2023-6237 — Issue summary: Checking excessively long invalid RSA public keys may take a long time. Impact summary: Applications that use the function EVP_PKEY_public_check() to check RSA public keys may experience long delays. Where the key that is being checked has been obtained from an untrusted source this may lead to a Denial of Service. When function EVP_PKEY_public_check() is called on RSA public keys, a computation is done to confirm that the RSA modulus, n, is composite. For valid RSA keys, n is a product of two or more large primes and this computation completes quickly. However, if n is an overly large prime, then this computation would take a long time. An application that calls EVP_PKEY_public_check() and supplies an RSA key obtained from an untrusted source could be vulnerable to a Denial of Service attack. The function EVP_PKEY_public_check() is not called from other OpenSSL functions however it is called from the OpenSSL pkey command line application. For that reason that application is also vulnerable if used with the '-pubin' and '-check' options on untrusted data. The OpenSSL SSL/TLS implementation is not affected by this issue. The OpenSSL 3.0 and 3.1 FIPS providers are affected by this issue.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS). <br><br> E-Series SANtricity OS Controller Software 11.x:<br> Affected in version 11.80.1 when SSH is enabled.

Affected products

AFF Baseboard Management Controller (BMC) - A700s
Brocade Fabric Operating System Firmware
E-Series SANtricity OS Controller Software 11.x
FAS/AFF Baseboard Management Controller (BMC) - 8300/8700/A400/C400
FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250
Management Services for Element Software and NetApp HCI
NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
NetApp HCI Baseboard Management Controller (BMC) - H410C
NetApp HCI Baseboard Management Controller (BMC) - H610C
NetApp HCI Baseboard Management Controller (BMC) - H610S
NetApp HCI Baseboard Management Controller (BMC) - H615C
NetApp HCI Compute Node (Bootstrap OS)

Official fixes

E-Series SANtricity OS Controller Software 11.x — vendor fix ↗
FAS/AFF Baseboard Management Controller (BMC) - 8300/8700/A400/C400 — vendor fix ↗
FAS/AFF Baseboard Management Controller (BMC) - A250/500f/C250 — vendor fix ↗
Management Services for Element Software and NetApp HCI — vendor fix ↗
ONTAP Select Deploy administration utility — vendor fix ↗

References

https://www.openssl.org/news/secadv/20240115.txt ↗

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.