{"schemaVersion":3,"id":"CVE-2016-3997","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2017-07-03T16:00:00.000Z","modified":"2024-08-06T00:17:29.951Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00839,"percentile":0.57147,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00839},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00926,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00839,"percentile":0.57147}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00926,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00839,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00839,"percentile":0.57147}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-254","name":"7PK - Security Features","description":"Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.","type":"category","status":"Incomplete","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/254.html"}],"affected":[{"vendor":"netapp","product":"clustered_data_ontap","name":"clustered data ontap","label":"clustered_data_ontap","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8.3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.3.1","eol":null,"hubHref":"/vendor/netapp/clustered_data_ontap"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1006063","label":"www-01.ibm.com/support/docview.wss?uid=ssg1S1006063","hostname":"www-01.ibm.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"https://kb.netapp.com/support/s/article/ka51A0000008SXzQAM/smb-vulnerabilities-in-multiple-netapp-products","label":"kb.netapp.com/support/s/article/ka51A0000008SXzQAM/smb-vulnerabilities-in-multiple-netapp-products","hostname":"kb.netapp.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-07-03T16:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T00:17:29.951Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T11:26:25.872Z","stale":false,"partial":false}}