Auth bypass in Dnnsoftware Dnn.platform
CVE-2025-52487
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login IP Filters allowing login attempts from IP Addresses not in the allow list. This issue has been patched in version 10.0.1.
Vulnerability class: Broken Access Control
EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Dnnsoftware Dnn.platform — versions >= 7.0.0, < 10.0.1
- Dnnsoftware Dotnetnuke
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52487?
- CVE-2025-52487 is a high-severity vulnerability in Dnnsoftware Dnn.platform, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2025-06-21.
- How severe is CVE-2025-52487?
- High severity. CVSS v3 base score is 7.5 out of 10.