How severe is CVE-2016-3400?

CVE-2016-3400 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-3400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3400?

CVE-2016-3400 primarily affects Netapp Data Ontap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3400?

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-2016-3400 published?

CVE-2016-3400 was published on 2017-07-03 and last updated on 2026-06-17.

CVE-2016-3400

CVE-2016-3400 is a high-severity vulnerability in Netapp Data Ontap with a CVSS 3.x base score of 7.5. 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-254.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Netapp Data Ontap
Published: 2017-07-03
Last modified: 2026-06-17

Description

NetApp Data ONTAP 8.1 and 8.2, when operating in 7-Mode, allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service via vectors related to the SMB protocol.

Frequently asked questions

What is CVE-2016-3400?: NetApp Data ONTAP 8.1 and 8.2, when operating in 7-Mode, allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service via vectors related to the SMB protocol.
How severe is CVE-2016-3400?: CVE-2016-3400 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3400?: CVE-2016-3400 primarily affects Netapp Data Ontap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3400?: 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-2016-3400 published?: CVE-2016-3400 was published on 2017-07-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:netapp:data_ontap:8.1:*:*:*:*:*:*:*
cpe:2.3:a:netapp:data_ontap:8.2:*:*:*:*:*:*:*

More vulnerabilities in Netapp Data Ontap

CVE-2008-3349 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in NetApp Data ONTAP, as used on NetApp and IBM eServer platforms, allow remote…
CVE-2015-7746 — Critical (CVSS 9.8): NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1)…
CVE-2015-7871 — Critical (CVSS 9.8): Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass…
CVE-2015-7853 — Critical (CVSS 9.8): The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote…
CVE-2015-7705 — Critical (CVSS 9.8): The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified…
CVE-2019-5502 — Critical (CVSS 9.1): SMB in Data ONTAP operating in 7-Mode versions prior to 8.2.5P3 has weak cryptography which when exploited could lead…

All CVEs affecting Netapp Data Ontap →

Other CWE-254 vulnerabilities

CVE-2016-5788 — Critical (CVSS 10.0): General Electric (GE) Bently Nevada 3500/22M USB with firmware before 5.0 and Bently Nevada 3500/22M Serial have open…
CVE-2015-3972 — Critical (CVSS 10.0): The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication,…
CVE-2015-1158 — Critical (CVSS 10.0): The add_job function in scheduler/ipp.c in cupsd in CUPS before 2.0.3 performs incorrect free operations for…
CVE-2019-15149 — Critical (CVSS 9.8): core.py in Mitogen before 0.2.8 has a typo that drops the unidirectional-routing protection mechanism in the case of a…
CVE-2017-8227 — Critical (CVSS 9.8): Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices have a timeout policy to wait for 5 minutes in case 30 incorrect…
CVE-2016-9568 — Critical (CVSS 9.8): A security design issue can allow an unprivileged user to interact with the Carbon Black Sensor and perform…

Browse all CWE-254 vulnerabilities →