All vulnerabilities

Servers and applications

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…

Severity
High 7.5
Published
2 Jun 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
DNN PlatformServers and applications · cpe:a:dnnsoftware:dotnetnuke
  • Every version up to 9.10.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-40186
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-40186