CVE-2023-22271
📋 TL;DR
Adobe Experience Manager versions 6.5.15.0 and earlier use weak cryptography for password storage, allowing low-privileged attackers who already possess encrypted passwords to decrypt them. This vulnerability affects organizations using vulnerable AEM versions for content management.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers decrypt administrator passwords, gain full system control, and compromise sensitive data or deploy ransomware.
Likely Case
Attackers decrypt user passwords to escalate privileges, access restricted content, or move laterally within the network.
If Mitigated
With proper access controls and monitoring, impact is limited to specific compromised accounts rather than system-wide compromise.
🎯 Exploit Status
Requires attacker to already have access to encrypted passwords through other means.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.16.0 or later
Vendor Advisory: https://helpx.adobe.com/security/products/experience-manager/apsb23-18.html
Restart Required: Yes
Instructions:
1. Backup your AEM instance. 2. Download and install AEM 6.5.16.0 or later from Adobe's distribution portal. 3. Apply the service pack following Adobe's upgrade documentation. 4. Restart the AEM service.
🔧 Temporary Workarounds
Restrict Access to Password Storage
allLimit access to systems and databases where encrypted passwords are stored to reduce attack surface.
Implement Additional Authentication Controls
allEnable multi-factor authentication for all user accounts to add protection even if passwords are compromised.
🧯 If You Can't Patch
- Implement strict access controls and monitoring for systems storing password data
- Force password rotation for all user accounts and monitor for suspicious authentication attempts
🔍 How to Verify
Check if Vulnerable:
Check AEM version via the Welcome screen or CRXDE Lite interface. If version is 6.5.15.0 or earlier, system is vulnerable.
Check Version:
curl -s http://localhost:4502/libs/granite/core/content/login.html | grep 'AEM 6.5'
Verify Fix Applied:
Verify AEM version is 6.5.16.0 or later and check that password encryption methods have been updated in security configurations.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login from unusual locations
- Access to password storage files or databases by unauthorized users
Network Indicators:
- Unusual authentication traffic patterns
- Access attempts to password-related endpoints from unauthorized IPs
SIEM Query:
source="aem.log" AND ("password" OR "authentication") AND (status="success" OR status="failure") | stats count by src_ip, user