{"id":"CVE-2018-15811","aliases":["GHSA-h595-8pw6-5q6v"],"url":"https://o3.security/vulnerability/CVE-2018-15811","summary":"Inadequate Encryption Strength in DotNetNuke","details":"DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.","published":"2019-07-03T17:15:10.110Z","modified":"2026-07-08T17:15:46.075548Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.74048,"percentile":0.99443,"asOf":"2026-08-27"},"cisaKev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":false},"exploitsKnown":4,"affectedPackages":[{"ecosystem":"NuGet","name":"DotNetNuke.Core","fixedVersion":"9.2.2"}],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811"},{"type":"ADVISORY","url":"https://github.com/dnnsoftware/Dnn.Platform/releases"},{"type":"ADVISORY","url":"https://www.dnnsoftware.com/community/security/security-center"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html"}],"provenance":{"sources":["OSV.dev","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:15:46.075548Z"}}