CVE-2021-25972 : Vulnerability Insights and Analysis

Camaleon CMS versions 2.1.2.0 to 2.6.0 are vulnerable to Server-Side Request Forgery (SSRF) in the media upload feature, allowing attackers to read internal server files.

Understanding CVE-2021-25972

This CVE involves a vulnerability in Camaleon CMS versions 2.1.2.0 to 2.6.0 that could be exploited through the media upload feature.

What is CVE-2021-25972?

Camaleon CMS versions 2.1.2.0 to 2.6.0 are impacted by a Server-Side Request Forgery (SSRF) vulnerability. This flaw enables attackers to fetch media files from external URLs without proper validation, potentially leading to unauthorized access to internal server files.

The Impact of CVE-2021-25972

The vulnerability poses a medium severity risk with a high impact on confidentiality. Attackers with admin privileges can exploit this SSRF issue to access sensitive files stored on the internal server.

Technical Details of CVE-2021-25972

This section covers specific technical details related to CVE-2021-25972.

Vulnerability Description

The SSRF vulnerability in Camaleon CMS versions 2.1.2.0 to 2.6.0 resides in the media upload feature, allowing admin users to fetch media files from external URLs. Lack of URL validation permits attackers to access internal server files.

Affected Systems and Versions

Camaleon CMS versions 2.1.2.0 to 2.6.0 are affected by this SSRF vulnerability.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the media upload feature to reference external URLs containing malicious content that can lead to unauthorized access to internal server files.

Mitigation and Prevention

Protecting systems from CVE-2021-25972 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Camaleon CMS to version 2.6.0.1 to mitigate the SSRF vulnerability and enhance system security.

Long-Term Security Practices

Implement strict input validation mechanisms, restrict admin privileges, and regularly monitor and update the CMS to prevent SSRF vulnerabilities.

Patching and Updates

Regularly apply security patches and updates to the Camaleon CMS to address known vulnerabilities and ensure system integrity.