CVE-2020-5188 DNN File Upload Vulnerability
Attackers can exploit insecure permissions in DNN to escalate privileges and potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5188?
CVE-2020-5188 is a medium-severity missing authorization vulnerability in Dnnsoftware Dotnetnuke, published on 24 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
DNN (formerly DotNetNuke) through 9.4.4 has Insecure Permissions.
Which versions are affected by CVE-2020-5188?
2 open source packages ship an affected version, including DotNetNuke.Core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
DotNetNuke.Core NuGet | All versions to 9.4.4 | None |
DotNetNuke.Core NuGet | All versions to 9.4.4 | None |
Products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2020-5188?
No fix has been published for CVE-2020-5188 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-5188 being exploited?
There is no known exploitation of CVE-2020-5188 in the wild and no public exploit code.
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-vjcm-j85r-7p68.