---
id: "CVE-2018-18325"
kind: "vulnerability"
aliases: ["CVE-2018-18325"]
title: "DotNetNuke (DNN) DotNetNuke (DNN): DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability"
severity: "high"
cvss: 7.5
epss: 0.74048
exploited: true
status: "open"
category: "package"
products: [{"name": "DotNetNuke (DNN) DotNetNuke (DNN)", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["asp.net", "dnn", "dotnetnuke", "exploited", "package", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2019-07-03T17:15:10+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-18325", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-18325", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18325", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# DotNetNuke (DNN) DotNetNuke (DNN): DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

DotNetNuke (DNN) uses a weak encryption algorithm to protect input parameters, so an attacker can decrypt or forge them. This is an incomplete fix for CVE-2018-15811 and is listed in CISA's Known Exploited Vulnerabilities catalog.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:DotNetNuke (DNN) DotNetNuke (DNN) affected ? fixed ?

## How to check

Check the installed DNN version in the site's admin or host page and compare it to the vendor's fixed release; the sources do not give a specific command.

## Fix

Apply the DNN update per vendor instructions, as CISA requires; the sources do not name the fixed version.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-18325
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2018-18325
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2018-18325

## From the sources

DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters. This CVE ID resolves an incomplete patch for CVE-2018-15811.

CISA required action: Apply updates per vendor instructions.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_