CVE-2021-41608 : Security Advisory and Response
Discover how CVE-2021-41608 in SelectSurvey.NET enables attackers to retrieve survey user submitted data by manipulating the ID parameter. Learn mitigation strategies.
A file disclosure vulnerability in the UploadedImageDisplay.aspx endpoint of SelectSurvey.NET before 5.052.000 allows a remote, unauthenticated attacker to retrieve survey user submitted data by modifying the value of the ID parameter in sequential order beginning from 1.
Understanding CVE-2021-41608
This CVE involves a file disclosure vulnerability in SelectSurvey.NET.
What is CVE-2021-41608?
The vulnerability in SelectSurvey.NET allows unauthorized retrieval of survey user data by manipulating the ID parameter.
The Impact of CVE-2021-41608
The vulnerability can lead to unauthorized access to sensitive user-submitted data through the manipulation of parameters.
Technical Details of CVE-2021-41608
This section provides in-depth technical details of the CVE.
Vulnerability Description
- Vulnerability Type: File Disclosure
- Vulnerable Component: UploadedImageDisplay.aspx endpoint
Affected Systems and Versions
- Systems: SelectSurvey.NET
- Versions Affected: Before 5.052.000
Exploitation Mechanism
The vulnerability can be exploited by changing the ID parameter incrementally to access user data sequentially.
Mitigation and Prevention
Protect your systems against CVE-2021-41608 using the following steps:
Immediate Steps to Take
- Patch or update SelectSurvey.NET to version 5.052.000 or higher.
- Monitor and restrict access to the UploadedImageDisplay.aspx endpoint.
Long-Term Security Practices
- Implement strict input validation on user parameters.
- Conduct regular security assessments and audits to identify vulnerabilities.
Patching and Updates
Regularly apply security patches and updates to ensure system protection.