CVE-2018-15811 DotNetNuke (DNN) Inadequate Encryption Strength
DNN uses weak encryption for input parameters, allowing attackers to potentially decrypt sensitive data or bypass security controls.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-15811?
CVE-2018-15811 is a high-severity vulnerability in Dnnsoftware Dotnetnuke, published on 3 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
Weakness: CWE-326
Which versions are affected by CVE-2018-15811?
2 open source packages ship an affected version, including DotNetNuke.Core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
DotNetNuke.Core NuGet | From 9.2.0 | 9.2.2 |
DotNetNuke.Core NuGet | From 9.2.0 | 9.2.2 |
Products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2018-15811?
Upgrade DotNetNuke.Core to 9.2.2 or later. US federal agencies must fix it by 3 May 2022.
Is CVE-2018-15811 being exploited?
Yes. Attackers have exploited CVE-2018-15811 in the wild since at least 3 Nov 2021.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 Nuclei template.
Other vulnerabilities in Dnnsoftware Dotnetnuke
- CVE-2017-9822 DotNetNuke (DNN) Remote Code Execution
- CVE-2018-18325 DotNetNuke (DNN) Inadequate Encryption Strength
- CVE-2025-64095 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
- CVE-2006-3601 Privilege escalation in n/a
- CVE-2015-2794 The installation wizard in DotNetNuke (DNN) allows privilege escalation
Sources
Also known as GHSA-h595-8pw6-5q6v.