CVE-2016-5374: NetApp Data ONTAP 9.0 and 9.1 before 9.1P1 allows remote authenticated users that own SMB-hosted data to bypas

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HIGH 8.8DOWNGRADE

CVE-2016-5374 is a high-severity flaw (CVSS 8.8) affecting data ontap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NetApp Data ONTAP 9.0 and 9.1 before 9.1P1 allows remote authenticated users that own SMB-hosted data to bypass intended sharing restrictions by leveraging improper handling of the owner_rights ACL entry.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-264
Published	2017-03-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netapp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-03-01 20:59 UTCPublished CVE record published
2026-06-17 00:49 UTCUpdated Record last modified

netapp data ontap DOWNGRADE

Affected: 9.0 · 9.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

1. Check installed version

apt-cache policy data-ontap || rpm -q data-ontap || data-ontap --version

2. No fixed release: DOWNGRADE to a release before 9.0 (Debian / Ubuntu)

apt-cache madison data-ontap sudo apt install data-ontap=<VERSION_BEFORE_9.0> sudo apt-mark hold data-ontap

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list data-ontap sudo dnf downgrade data-ontap-<VERSION_BEFORE_9.0> sudo dnf versionlock add data-ontap

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-5374?

data ontap: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-5374 being exploited?

CVE-2016-5374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-5374 affect?

CVE-2016-5374 affects data ontap. Severity is high (CVSS 8.8). NetApp Data ONTAP 9.0 and 9.1 before 9.1P1 allows remote authenticated users that own SMB-hosted data to bypass intended sharing restrictions by leveraging improper handling of the owner_rights ACL entry.

How urgent is CVE-2016-5374?

Priority 51/100. High severity

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References

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