All vulnerabilities

Servers and applications

CVE-2009-4109

The install wizard in DotNetNuke 4.0 through 5.1.4 does not prevent anonymous users from accessing functionality related to determination of the need for an upgrade, which allows remote attackers to access version information and possibly other sensitive information.

Severity
Medium 5.0
Published
29 Nov 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.2% in the next 30 daysHigher than 69% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
DNN PlatformServers and applications · cpe:a:dnnsoftware:dotnetnuke
  • Version 5.1.4
  • Version 5.1.3
  • Version 5.1.2
  • Version 5.1.1
All 24 release lines
  • Version 4.0
  • Version 4.3.5
  • Version 4.4.1
  • Version 4.5.2
  • Version 4.5.4
  • Version 4.5.5
  • Version 4.6.0
  • Version 4.6.1
  • Version 4.6.2
  • Version 4.7.0
  • Version 4.8.0
  • Version 4.8.1
  • Version 4.8.2
  • Version 4.8.3
  • Version 4.8.4
  • Version 4.9
  • Version 4.9.1
  • Version 4.9.2
  • Version 5.0
  • Version 5.1
  • Version 5.1.1
  • Version 5.1.2
  • Version 5.1.3
  • Version 5.1.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-4109
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-4109