{"id":"CVE-2018-15811","aliases":["EUVD-2019-0590","GHSA-h595-8pw6-5q6v"],"status":"published","title":"Inadequate Encryption Strength in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","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":0.76304,"percentile":0.9954,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":true},"cwes":["CWE-326"],"published":"2019-07-03T16:23:27Z","modified":"2026-10-20T10:50:20Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"exploits":[{"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"},{"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":"nuclei","id":"CVE-2018-15811","title":"DotNetNuke 9.2 - 9.2.1 - Weak Encryption \u0026 Cookie Deserialization","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-15811.yaml"}],"fixes":[{"ecosystem":"NuGet","package":"DotNetNuke.Core","fixed_in":["9.2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.2.0"},{"fixed":"9.2.2"}]}]},{"source":"osv","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.2.0"},{"fixed":"9.2.2"}]}],"versions":["9.2.0.366","9.2.1.533"]}],"products":[{"vendor":"dnnsoftware","product":"dotnetnuke"},{"vendor":"dotnetnuke (dnn)","product":"dotnetnuke (dnn)"}],"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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811","tags":["government-resource","US Government Resource","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-15811","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h595-8pw6-5q6v"}],"sources":{"cve":[{"id":"CVE-2018-15811","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-03T16:23:27Z","modified":"2025-10-21T23:45:34.33Z","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":"adp"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2019-0590","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-03T16:23:27Z","modified":"2025-10-21T23:45:34Z","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"}],"exploited_since":"2021-11-03","updated_at":"2026-11-02T20:31:24.172282Z"}],"ghsa":[{"id":"GHSA-h595-8pw6-5q6v","title":"Inadequate Encryption Strength in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-05T21:08:36Z","modified":"2025-10-22T17:43:24Z","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/E:H","level":"high"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:39:02.474737Z"}],"kev":[{"id":"CVE-2018-15811","title":"DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability","description":"DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.","cwes":["CWE-326"],"kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:17.050017Z"}],"nvd":[{"id":"CVE-2018-15811","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-03T17:15:10.11Z","modified":"2026-06-17T01:43:08.583Z","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":"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":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"CVE-2018-15811","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-03T17:15:10.11Z","modified":"2026-10-20T10:50:20.734741573Z","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":"2026-11-02T15:44:08.533609Z"},{"id":"GHSA-h595-8pw6-5q6v","title":"Inadequate Encryption Strength in DotNetNuke","description":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","status":"published","published":"2019-07-05T21:08:36Z","modified":"2025-10-22T19:32:39.680854Z","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/E:H","level":"high"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T15:46:48.546324Z"}]}}
