CVE-2024-26029
📋 TL;DR
CVE-2024-26029 is an improper access control vulnerability in Adobe Experience Manager that allows attackers to bypass security features and potentially access sensitive information. This affects AEM versions 6.5.20 and earlier, and exploitation requires no user interaction.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized disclosure of sensitive data including user information, configuration details, or proprietary content managed within AEM.
Likely Case
Information disclosure of system configuration, user data, or content repository details that could facilitate further attacks.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external access to vulnerable instances.
🎯 Exploit Status
No authentication required and exploitation is straightforward according to Adobe's advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.21 or later
Vendor Advisory: https://helpx.adobe.com/security/products/experience-manager/apsb24-28.html
Restart Required: Yes
Instructions:
1. Download AEM 6.5.21 or later from Adobe's distribution portal. 2. Apply the service pack following Adobe's upgrade documentation. 3. Restart the AEM instance. 4. Verify the update was successful.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to AEM instances to only trusted IP addresses
Use firewall rules to limit access to AEM ports (typically 4502, 4503)
🧯 If You Can't Patch
- Implement strict network segmentation to isolate AEM instances from untrusted networks
- Enable enhanced logging and monitoring for suspicious access patterns to AEM endpoints
🔍 How to Verify
Check if Vulnerable:
Check AEM version via the welcome page or system console. Versions 6.5.20 and earlier are vulnerable.Check Version:
curl -k https://<aem-host>:<port>/system/console/status-productinfo | grep 'Adobe Experience Manager'Verify Fix Applied:
Verify AEM version is 6.5.21 or later and check that security patches from APSB24-28 are applied.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to AEM endpoints, especially from external IPs
- Requests to sensitive endpoints without proper authentication
Network Indicators:
- Unexpected traffic to AEM ports from unauthorized sources
- Information disclosure in HTTP responses
SIEM Query:
source="aem-access.log" AND (status=200 OR status=302) AND (uri CONTAINS "/content" OR uri CONTAINS "/system") AND src_ip NOT IN [trusted_ips]