How severe is CVE-2019-5506?

CVE-2019-5506 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-5506 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5506?

CVE-2019-5506 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-2019-5506?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-5506 published?

CVE-2019-5506 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-5506

CVE-2019-5506 is a medium-severity vulnerability in Netapp Clustered Data Ontap with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Netapp Clustered Data Ontap
Published: 2019-10-09
Last modified: 2026-06-17

Description

Clustered Data ONTAP versions 9.0 and higher do not enforce hostname verification under certain circumstances making them susceptible to impersonation via man-in-the-middle attacks.

Frequently asked questions

What is CVE-2019-5506?: Clustered Data ONTAP versions 9.0 and higher do not enforce hostname verification under certain circumstances making them susceptible to impersonation via man-in-the-middle attacks.
How severe is CVE-2019-5506?: CVE-2019-5506 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-5506 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5506?: CVE-2019-5506 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-2019-5506?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5506 published?: CVE-2019-5506 was published on 2019-10-09 and last updated on 2026-06-17.

References

https://security.netapp.com/advisory/ntap-20191009-0003/

Affected products (4)

cpe:2.3:o:netapp:clustered_data_ontap:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:clustered_data_ontap:9.6:p1:*:*:*:*:*:*
cpe:2.3:o:netapp:clustered_data_ontap:9.6:p2:*:*:*:*:*:*
cpe:2.3:o:netapp:clustered_data_ontap:9.6:p3:*:*:*:*:*:*

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