CVE-2021-45347 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-45347, an Incorrect Access Control vulnerability in zzcms 8.2 that allows unauthorized access by manipulating user name values. Learn mitigation steps and best practices.
An Incorrect Access Control vulnerability in zzcms 8.2 allows a malicious user to bypass authentication by manipulating the user name in the cookie.
Understanding CVE-2021-45347
What is CVE-2021-45347?
The vulnerability in zzcms 8.2 permits unauthorized access by enabling a malicious actor to change the user name in the cookie to utilize any password.
The Impact of CVE-2021-45347
This vulnerability can lead to unauthorized access to sensitive information and functions, posing a significant risk to data confidentiality and system integrity.
Technical Details of CVE-2021-45347
Vulnerability Description
The vulnerability in zzcms 8.2 allows a malicious user to bypass authentication mechanisms by altering the user name value in the cookie.
Affected Systems and Versions
- Product: zzcms 8.2
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
By modifying the user name in the cookie, an attacker can gain unauthorized access to the system, potentially compromising its security.
Mitigation and Prevention
Immediate Steps to Take
- Disable or limit access to sensitive functions until a patch is available.
- Monitor user authentication activities for any suspicious behavior.
Long-Term Security Practices
- Implement a robust authentication mechanism with strong password policies.
- Regularly audit and update access control configurations to prevent similar access control issues.
Patching and Updates
Apply patches or updates provided by the vendor to address the vulnerability in zzcms 8.2.