{"schemaVersion":3,"id":"CVE-2016-3255","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, and 4.6.1 allows remote attackers to read arbitrary files via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka \".NET Information Disclosure Vulnerability.\"","dates":{"published":"2016-07-13T01:00:00.000Z","modified":"2024-08-05T23:47:58.464Z","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:L/PR:N/UI:N/S:U/C:H/I:N/A:N","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:L/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":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.24665,"percentile":0.97877,"severity":"high","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.24665},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.21264,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.24665,"percentile":0.97877}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.21264,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.24665,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.24665,"percentile":0.97877}]},"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-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"microsoft","product":".net_framework","name":".net framework","label":".net_framework","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.0:sp2","noFixRecorded":false,"fixedIn":null},{"text":"3.5","noFixRecorded":false,"fixedIn":null},{"text":"3.5.1","noFixRecorded":false,"fixedIn":null},{"text":"4.5.2","noFixRecorded":false,"fixedIn":null},{"text":"4.6","noFixRecorded":false,"fixedIn":null},{"text":"4.6.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0:sp2 | 3.5 | 3.5.1 | 4.5.2 | 4.6 | 4.6.1","eol":null,"hubHref":"/vendor/microsoft/net_framework"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securitytracker.com/id/1036291","label":"www.securitytracker.com/id/1036291","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-091","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-091","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS"]},{"url":"http://www.securityfocus.com/bid/91601","label":"www.securityfocus.com/bid/91601","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2016-07-13T01:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T23:47:58.464Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:33:58.452Z","stale":false,"partial":false}}