CVE-2021-43974 : Exploit Details and Defense Strategies
Discover the vulnerability in SysAid ITIL 20.4.74 b10 allowing unauthorized users to create accounts without authentication. Learn the impact, affected systems, and mitigation steps.
An issue was discovered in SysAid ITIL 20.4.74 b10 where the /enduserreg endpoint allows anonymous user registration without proper authentication.
Understanding CVE-2021-43974
What is CVE-2021-43974?
The vulnerability in SysAid ITIL 20.4.74 b10 permits attackers to create new accounts without authentication by exploiting the /enduserreg endpoint.
The Impact of CVE-2021-43974
This issue allows unauthorized users to register new accounts, potentially leading to unauthorized access and misuse of the system.
Technical Details of CVE-2021-43974
Vulnerability Description
The vulnerability lies in the /enduserreg endpoint's failure to enforce the server-side setting controlling anonymous user registration, enabling attackers to create accounts without authentication.
Affected Systems and Versions
- Product: SysAid ITIL 20.4.74 b10
- Versions: All versions are impacted
Exploitation Mechanism
Attackers can bypass server-side restrictions by directly posting registration data, circumventing the intended authentication process.
Mitigation and Prevention
Immediate Steps to Take
- Disable the anonymous user registration feature on the server-side settings.
- Regularly monitor for any unauthorized account creations.
Long-Term Security Practices
- Implement strict authentication processes for user registration.
- Conduct regular security audits and testing to identify similar vulnerabilities.
- Educate users on secure registration practices.
Patching and Updates
Stay updated with security patches and version upgrades from SysAid to prevent exploitation of this vulnerability.