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GeekWala

CVE-2018-15811 — Inadequate Encryption Strength in DotNetNuke.Core...

HIGH
Actively Exploited

Inadequate Encryption Strength in DotNetNuke

Published July 5, 2019Updated October 22, 2025Source: osv

What Should I Do?

Patch Immediately

This vulnerability is confirmed under active exploitation (CISA KEV). Patch within 24-48 hours if possible.

Summary

DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.

Advisory Timeline

  • First published July 5, 2019 (2656 days ago).
  • Last revised October 22, 2025 — 2301 days after initial publication.
  • Added to CISA's Known Exploited Vulnerabilities catalog 851 days after publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update DotNetNuke.Core to 9.2.2 or later
dotnet add package DotNetNuke.Core --version 9.2.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
DotNetNuke.Core
nuget
9.2.0.366, 9.2.1.5339.2.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-326
    Inadequate Encryption StrengthMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H

References

Frequently Asked Questions

What is CVE-2018-15811?
Inadequate Encryption Strength in DotNetNuke This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2018-15811?
CVE-2018-15811 affects DotNetNuke.Core. This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, meaning it is being actively exploited in the wild. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2018-15811 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Known Exploited Vulnerability

This vulnerability is in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild.

Added to KEV catalog: November 3, 2021

Remediation deadline: May 3, 2022

Also Known As

GHSA-h595-8pw6-5q6v

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