CVE-2018-18326 Insufficient Entropy in DotNetNuke
Insufficient entropy in encryption key generation allows attackers to bypass security controls in DNN CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-18326?
CVE-2018-18326 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 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.
Weakness: CWE-331
Which versions are affected by CVE-2018-18326?
2 open source packages ship an affected version, including DotNetNuke.Core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
DotNetNuke.Core NuGet | All versions | 9.3.0 |
DotNetNuke.Core NuGet | All versions | 9.3.0 |
Products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2018-18326?
Upgrade DotNetNuke.Core to 9.3.0 or later.
Is CVE-2018-18326 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-18326 exists.
Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.
Other vulnerabilities in Dnnsoftware Dotnetnuke
- CVE-2017-9822 DotNetNuke (DNN) Remote Code Execution
- CVE-2018-15811 DotNetNuke (DNN) Inadequate Encryption Strength
- 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
Sources
Also known as GHSA-xx3h-j3cx-8qfj.