{"schemaVersion":3,"id":"CVE-2018-13280","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Use of insufficiently random values vulnerability in SYNO.Encryption.GenRandomKey in Synology DiskStation Manager (DSM) before 6.2-23739 allows man-in-the-middle attackers to compromise non-HTTPS sessions via unspecified vectors.","dates":{"published":"2018-07-30T12:00:00.000Z","modified":"2024-09-16T19:40:37.024Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.4,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"CVE.org","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":7.4,"severity":"high","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00634,"percentile":0.49391,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00634},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00634,"percentile":0.49391}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00634,"percentile":0.49391}]},"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-330","name":"Use of Insufficiently Random Values","description":"The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/330.html"}],"affected":[{"vendor":"synology","product":"diskstation_manager","name":"diskstation manager","label":"diskstation_manager","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 6.2-23739","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.2-23739","eol":null,"hubHref":"/vendor/synology/diskstation_manager"},{"vendor":"synology","product":"diskstation manager (dsm)","name":"DiskStation Manager (DSM)","label":"diskstation manager (dsm)","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 6.2-23739","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 6.2-23739","eol":null,"hubHref":"/vendor/synology/diskstation_manager_dsm"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.synology.com/en-global/support/security/Synology_SA_18_39","label":"www.synology.com/en-global/support/security/Synology_SA_18_39","hostname":"www.synology.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-07-30T12:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T19:40:37.024Z","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":"2026-10-19T16:54:47.520Z","stale":false,"partial":false}}