{"id":"CVE-2018-18326","aliases":["EUVD-2019-0612","GHSA-xx3h-j3cx-8qfj"],"status":"published","title":"Insufficient Entropy in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.54267,"percentile":0.99017,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-331"],"published":"2019-07-03T16:39:12Z","modified":"2026-10-20T10:51:21Z","exploits":[{"source":"exploitdb","id":"EDB-48336","title":"DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit)","type":"remote","platform":"windows","date":"2020-04-16","verified":true,"url":"https://www.exploit-db.com/exploits/48336"},{"source":"metasploit","id":"exploit/windows/http/dnn_cookie_deserialization_rce","title":"DotNetNuke Cookie Deserialization Remote Code Excecution","type":"exploit","platform":"Windows","date":"2017-07-20","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/dnn_cookie_deserialization_rce"}],"fixes":[{"ecosystem":"NuGet","package":"DotNetNuke.Core","fixed_in":["9.3.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.3.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.3.0"}]}],"versions":["6.0.0","7.0.0","7.0.6.121","7.1.0","7.1.2","7.2.0.613","7.3.0.499","7.3.1.20","7.4.0.353","7.4.1.280","7.4.2.216","8.0.0.809","8.0.1.239","8.0.2.4","8.0.3.5","8.0.4.226","9.0.0.1002","9.0.1.142","9.1.0.367","9.1.1.129","9.2.0.366","9.2.1.533"]}],"products":[{"vendor":"dnnsoftware","product":"dotnetnuke"}],"references":[{"url":"https://github.com/dnnsoftware/Dnn.Platform/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","advisory","web"]},{"url":"https://www.dnnsoftware.com/community/security/security-center","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18326","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xx3h-j3cx-8qfj"}],"sources":{"cve":[{"id":"CVE-2018-18326","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-03T16:39:12Z","modified":"2024-08-05T11:08:21.369Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2019-0612","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-03T16:39:12Z","modified":"2024-08-05T11:08:21Z","updated_at":"2026-11-03T02:39:36.317092Z"}],"ghsa":[{"id":"GHSA-xx3h-j3cx-8qfj","title":"Insufficient Entropy in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-05T21:08:20Z","modified":"2023-02-01T05:02:21Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:36:30.61364Z"}],"nvd":[{"id":"CVE-2018-18326","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-03T17:15:10.33Z","modified":"2026-06-17T01:47:00.22Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"CVE-2018-18326","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-03T17:15:10.33Z","modified":"2026-10-20T10:51:21.746704307Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"GHSA-xx3h-j3cx-8qfj","title":"Insufficient Entropy in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.","status":"published","published":"2019-07-05T21:08:20Z","modified":"2023-11-08T04:00:05.243132Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T15:47:00.604718Z"}]}}