CVE-2021-37627 : Vulnerability Insights and Analysis
Learn about CVE-2021-37627 affecting Contao CMS, allowing privilege escalation in the back end. Update to secure versions or apply workarounds for protection.
Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions, it is possible to gain privileged rights in the Contao back end. All users are advised to update to specific versions to mitigate this vulnerability, or implement specific workarounds.
Understanding CVE-2021-37627
This section provides insight into the nature and impact of the CVE-2021-37627 vulnerability.
What is CVE-2021-37627?
CVE-2021-37627 affects the Contao CMS, enabling privilege escalation in the back end under certain conditions. Untrusted back end users with access to the form generator are particularly at risk.
The Impact of CVE-2021-37627
The vulnerability poses a high risk, impacting confidentiality, integrity, and availability. Users with privileged access can compromise the system.
Technical Details of CVE-2021-37627
Explore specific technical aspects and details related to CVE-2021-37627.
Vulnerability Description
The vulnerability allows attackers to escalate privileges in the Contao back end, potentially leading to unauthorized access and control over the system.
Affected Systems and Versions
Contao versions < 4.4.56, >= 4.5.0 and < 4.9.18, and >= 4.10.0 and < 4.11.7 are vulnerable to this privilege escalation issue.
Exploitation Mechanism
By exploiting the form generator in affected versions, attackers can gain privileged rights in the Contao back end.
Mitigation and Prevention
Discover the steps to mitigate the CVE-2021-37627 vulnerability and prevent potential security breaches.
Immediate Steps to Take
All users are advised to update their Contao installations to versions 4.4.56, 4.9.18, or 4.11.7. Alternatively, users can disable the form generator or restrict login access for untrusted back end users.
Long-Term Security Practices
Incorporate proper privilege management practices and regularly update Contao to the latest secure versions to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories and promptly apply patches and updates to keep the Contao CMS secure against potential threats.