UpHeron
All vulnerabilities

Servers and applications

CVE-2008-6540

DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.

Severity
Medium 5.1
Published
30 Mar 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.5% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · Only under certain conditions · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
DNN PlatformServers and applications · cpe:a:dnnsoftware:dotnetnuke
  • Version 4.5.2
  • Version 4.3.5
  • Version 4.0
  • Version 3.3.5
All 17 release lines
  • Every version up to 4.8.1
  • Version 1.0.6
  • Version 1.0.7
  • Version 1.0.8
  • Version 1.0.9
  • Version 1.0.10d
  • Version 1.0.10e
  • Version 2.1.1
  • Version 2.1.2
  • Version 3.0.7
  • Version 3.0.8
  • Version 3.0.11
  • Version 3.1.0
  • Version 3.3.5
  • Version 4.0
  • Version 4.3.5
  • Version 4.5.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-6540
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-6540