CVE-2016-7885 in Experience Manager
Summary
by MITRE
Adobe Experience Manager versions 6.2 and earlier have a vulnerability that could be used in Cross-Site Request Forgery attacks.
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Analysis
by VulDB Data Team • 10/08/2022
Adobe Experience Manager versions 6.2 and earlier contain a cross-site request forgery vulnerability that allows attackers to execute unauthorized actions on behalf of authenticated users. This flaw resides in the web application's failure to properly validate and enforce anti-CSRF mechanisms, creating a pathway for malicious actors to manipulate user sessions and perform unintended operations within the AEM environment. The vulnerability specifically affects the authentication and authorization processes that govern user interactions with the content management system.
The technical implementation of this CSRF vulnerability stems from insufficient validation of request origins and missing anti-CSRF tokens in critical administrative endpoints. When users navigate to malicious websites or click on compromised links, attackers can craft requests that leverage the victim's authenticated session to perform actions such as creating new user accounts, modifying content, changing permissions, or executing administrative commands. The flaw operates because AEM does not adequately verify that requests originate from legitimate sources within the application itself, relying instead on session cookies alone for authentication validation. This weakness aligns with CWE-352, which categorizes cross-site request forgery vulnerabilities as a critical security flaw in web applications.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass potential complete system compromise. An attacker who successfully exploits this CSRF flaw could gain persistent access to the AEM platform, potentially leading to data breaches, content tampering, or even system takeover. The vulnerability is particularly dangerous in enterprise environments where AEM serves as a central content management solution for sensitive corporate data and digital assets. Attackers can leverage this weakness to establish backdoors, modify critical web content, or create unauthorized administrative accounts that persist beyond the initial attack window. The exploitation requires minimal technical skill and can be automated, making it a preferred target for threat actors seeking low-hanging fruit in enterprise security landscapes.
Organizations should implement immediate mitigations including enabling proper anti-CSRF token validation, implementing strict referer header checks, and ensuring all administrative endpoints require additional authentication factors beyond session cookies. Security patches released by Adobe address this vulnerability through enhanced CSRF protection mechanisms and improved session management. System administrators should also consider implementing web application firewalls to detect and block suspicious cross-site requests, along with regular security assessments to identify similar vulnerabilities in related components. The remediation process should include comprehensive testing to ensure that legitimate user workflows remain functional while the security gap is closed. This vulnerability demonstrates the critical importance of maintaining up-to-date security controls and following secure coding practices that align with industry standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks. Organizations should also consider implementing user education programs to recognize potential CSRF attack vectors and establish incident response procedures specifically designed to address session-based security breaches.