CVE-2015-7746: NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and

Q: How do I fix CVE-2015-7746?

data ontap: upgrade to newer than 8.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2015-7746 being exploited?

CVE-2015-7746 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-7746 affect?

CVE-2015-7746 affects data ontap. Severity is critical (CVSS 9.8). NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.

Q: How urgent is CVE-2015-7746?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2015-7746 is a critical-severity flaw (CVSS 9.8) affecting data ontap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-287
Published	2017-09-01
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

2017-09-01 13:29 UTCPublished CVE record published
2026-06-17 00:33 UTCUpdated Record last modified

netapp data ontap UPGRADE

Affected: <= 8.2.3

Fixed in: newer than 8.2.3

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2015-7746?

data ontap: upgrade to newer than 8.2.3. Exact commands for each OS are on this page.

Is CVE-2015-7746 being exploited?

CVE-2015-7746 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-2015-7746 affect?

CVE-2015-7746 affects data ontap. Severity is critical (CVSS 9.8). NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.

How urgent is CVE-2015-7746?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

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References

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