CVE-2021-28626 Explained : Impact and Mitigation

Adobe Experience Manager versions 6.5.8.0 and below are susceptible to an Improper Authorization vulnerability that allows unauthenticated attackers to create nodes under a certain location, potentially leading to application denial-of-service. This article provides insights into the impact, technical details, and mitigation strategies for CVE-2021-28626.

Understanding CVE-2021-28626

This section delves into the details of the CVE-2021-28626 vulnerability affecting Adobe Experience Manager.

What is CVE-2021-28626?

Adobe Experience Manager Cloud Service offering and versions 6.5.8.0 (and below) are impacted by an Improper Authorization vulnerability. Attackers can exploit this flaw to create nodes under a specific location without proper authentication, potentially resulting in a denial-of-service attack. Notably, the exploitation of this vulnerability does not necessitate user interaction.

The Impact of CVE-2021-28626

The vulnerability's CVSS v3.1 base score is 3.7, indicating a low severity issue. With a high attack complexity and network-based attack vector, the integrity impact is low, requiring no user privileges for exploitation. While it does not affect confidentiality, the scope remains unchanged, and user interaction is unnecessary.

Technical Details of CVE-2021-28626

Explore the technical aspects associated with CVE-2021-28626 to understand the vulnerability comprehensively.

Vulnerability Description

CVE-2021-28626 involves an Improper Authorization flaw in Adobe Experience Manager, allowing unauthorized users to create nodes under a specific location, potentially leading to a denial-of-service condition.

Affected Systems and Versions

The vulnerability affects Adobe Experience Manager versions 6.5.8.0 and below, including custom versions that fall within this range.

Exploitation Mechanism

Attackers can exploit this vulnerability over a network without requiring user interaction, making it crucial for organizations to implement appropriate security measures.

Mitigation and Prevention

Learn about the steps to mitigate the risks posed by CVE-2021-28626 and prevent potential exploitation.

Immediate Steps to Take

Organizations should promptly apply security patches or updates provided by Adobe to address the Improper Authorization vulnerability in Adobe Experience Manager.

Long-Term Security Practices

Incorporate rigorous access control measures, regular security assessments, and user authentication protocols to enhance the overall security posture and prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Adobe to patch known vulnerabilities and secure Adobe Experience Manager effectively.