CVE-2016-3997
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information,...
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service by leveraging failure to enable SMB signing enforcement in its default state.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service by leveraging failure to enable SMB signing enforcement in its default state.
- Record
CVE-2016-3997- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-254
- Updated
- 2026-11-02
CVE List No score
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service by leveraging failure to enable SMB signing enforcement in its default state.
- Record
CVE-2016-3997- Updated
- 2026-11-02
EUVDEUVD-2016-5006 No score
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service by leveraging failure to enable SMB signing enforcement in its default state.
- Record
EUVD-2016-5006- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jw46-7j4p-g2rv
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information,...
NetApp Clustered Data ONTAP allows man-in-the-middle attackers to obtain sensitive information, gain privileges, or cause a denial of service by leveraging failure to enable SMB signing enforcement in its default state.
- Record
GHSA-jw46-7j4p-g2rv- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-3997 is a high vulnerability (CVSS 7.5) in Netapp Clustered Data Ontap, published July 3, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. No source names a fixed version.