How severe is CVE-2017-12421?

CVE-2017-12421 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12421?

CVE-2017-12421 primarily affects Netapp Clustered Data Ontap. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-12421?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-12421 published?

CVE-2017-12421 was published on 2017-09-01 and last updated on 2026-06-17.

CVE-2017-12421

CVE-2017-12421 is a high-severity vulnerability in Netapp Clustered Data Ontap with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netapp Clustered Data Ontap
Published: 2017-09-01
Last modified: 2026-06-17

Description

NetApp Clustered Data ONTAP 8.3.x before 8.3.2P12 allows remote authenticated users to execute arbitrary code on the storage controller via unspecified vectors.

Frequently asked questions

What is CVE-2017-12421?: NetApp Clustered Data ONTAP 8.3.x before 8.3.2P12 allows remote authenticated users to execute arbitrary code on the storage controller via unspecified vectors.
How severe is CVE-2017-12421?: CVE-2017-12421 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12421?: CVE-2017-12421 primarily affects Netapp Clustered Data Ontap. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-12421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-12421 published?: CVE-2017-12421 was published on 2017-09-01 and last updated on 2026-06-17.

References

https://kb.netapp.com/support/s/article/NTAP-20170831-0002

Affected products (4)

cpe:2.3:a:netapp:clustered_data_ontap:8.3:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap:8.3.1:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap:8.3.2:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap:8.3.2p11:*:*:*:*:*:*:*

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