Vulnerability · Published May 31, 2022 · Assigned by AppCheck

CVE-2021-40186DNN CMS Server-Side Request Forgery (SSRF)

Medium 6.5

In plain English

A medium-severity server-side request forgery in DNN Platform from DNNSoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 33.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
DNNSoftware DNN Platform 9.0 – before 9.11.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References