Horizon Alert
Summary of the vulnerability and why it matters
Adobe Experience Manager is impacted by a vulnerability that could allow unauthorized access to sensitive files and potentially lead to elevated privileges or control within a user's session. This issue is significant because it can be exploited remotely by a low-privileged attacker without requiring any user interaction, affecting the system's scope.
- Attackers can access sensitive files.
- Impacts internet-facing content systems.
- Confirm relevance and potential exposure.
Attack Path
How an attacker could exploit the issue
An attacker could exploit this vulnerability by sending a crafted XML file to an Adobe Experience Manager instance. This could allow them to read sensitive files on the server, potentially leading to arbitrary code execution within the context of the application.
- Requires low-privileged access.
- Triggered by processing malicious XML.
- Potential for arbitrary code execution.
Live Threat
Current exploitation, exposure, and threat context
An Improper Restriction of XML External Entity Reference vulnerability in Adobe Experience Manager could allow a low-privileged attacker to read sensitive files. This could lead to elevated access or control over a user's account or session when supported by the advisory.
- Sensitive files could be read.
- Attacker exploits XXE to read files.
- Potential for elevated access or control.
Operational Fix
Recommended remediation, mitigation, and detection steps
Real-World Ownership
Adobe Experience Manager deployments typically fall under the purview of platform or application teams responsible for the content management system. The immediate priority is to locate all instances of Adobe Experience Manager within the environment, determine their exposure to external networks, and assess their business criticality. Once the accountable owner is identified, a remediation plan should be developed based on the assessed risk.
- Platform or application teams own resolution.
- Verify external reachability and criticality.
- Plan remediation based on identified risk.
