DotNetNuke up to 4.8.1 Access Restriction web.config access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in DotNetNuke. This vulnerability affects unknown code of the file web.config of the component Access Restriction. Performing a manipulation results in access control. This vulnerability is identified as CVE-2008-6540. Additionally, an exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in DotNetNuke (Content Management System). It has been classified as problematic. This affects an unknown functionality of the file web.config of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
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.
The bug was discovered 03/14/2008. The weakness was released 03/14/2008 by DiGiT (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2008-6540 since 03/29/2009. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 31643 (DNN (DotNetNuke) Upgrade Process ValidationKey Generation Weakness Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.
Upgrading to version 1.0.10d eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (41399), Tenable (31643), SecurityFocus (BID 28391†), OSVDB (43720†) and Secunia (SA29488†). Entries connected to this vulnerability are available at VDB-47393 and VDB-47392. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 31643
Nessus Name: DNN (DotNetNuke) Upgrade Process ValidationKey Generation Weakness Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: DotNetNuke 1.0.10d
Timeline
03/14/2008 🔍03/14/2008 🔍
03/14/2008 🔍
03/14/2008 🔍
03/21/2008 🔍
03/25/2008 🔍
03/25/2008 🔍
04/01/2008 🔍
03/29/2009 🔍
03/29/2009 🔍
03/17/2015 🔍
04/29/2026 🔍
Sources
Advisory: xforce.iss.netResearcher: DiGiT
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2008-6540 (🔍)
GCVE (CVE): GCVE-0-2008-6540
GCVE (VulDB): GCVE-100-47391
X-Force: 41399
SecurityFocus: 28391 - DotNetNuke Default 'ValidationKey' and 'DecriptionKey' Weak Encryption Vulnerability
Secunia: 29488
OSVDB: 43720 - DotNetNuke Upgrade Process validationkey Generation Weakness Privilege Escalation
Vulnerability Center: 18065 - Dotnetnuke 4.8.1 ValidationKey and DecryptionKey Default Machine Key Values, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/17/2015 23:38Updated: 04/29/2026 03:24
Changes: 03/17/2015 23:38 (74), 08/07/2019 22:22 (5), 08/09/2021 10:30 (3), 04/29/2026 03:24 (17)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.