SSRF in Dnnsoftware Dnn Platform
CVE-2021-40186
The AppCheck research team identified a Server-Side Request Forgery (SSRF) vulnerability within the DNN CMS platform, formerly known as DotNetNuke. SSRF vulnerabilities allow the attacker to exploit the target system to make network requests on their behalf, allowing a range of possible attacks. In the most common scenario, the attacker exploits SSRF vulnerabilities to attack systems behind the firewall and access sensitive information from Cloud Provider metadata services.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.011 (61.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Dnnsoftware Dnn Platform — versions 9.0
- Dnnsoftware Dotnetnuke
Weakness classification (CWE)
References
- info@appcheck-ng.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-40186?
- CVE-2021-40186 is a medium-severity vulnerability in Dnnsoftware Dnn Platform, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2022-06-02.
- How severe is CVE-2021-40186?
- Medium severity. CVSS v3 base score is 6.5 out of 10.