CVE-2022-24467
📋 TL;DR
CVE-2022-24467 is a remote code execution vulnerability in Azure Site Recovery that allows authenticated attackers to execute arbitrary code on affected systems. This affects organizations using Azure Site Recovery for disaster recovery scenarios. Attackers could potentially gain control of the recovery infrastructure.
💻 Affected Systems
- Microsoft Azure Site Recovery
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of Azure Site Recovery infrastructure leading to data exfiltration, ransomware deployment across recovery targets, and disruption of disaster recovery capabilities.
Likely Case
Unauthorized access to recovery infrastructure allowing data theft, configuration manipulation, and potential lateral movement to connected systems.
If Mitigated
Limited impact with proper network segmentation, least privilege access, and monitoring in place, though the vulnerability still presents significant risk.
🎯 Exploit Status
Requires authentication to Azure Site Recovery. Microsoft has not disclosed technical details to prevent exploitation while patches are deployed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Security update released by Microsoft - specific version varies by Azure Site Recovery deployment
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24467
Restart Required: Yes
Instructions:
1. Apply Microsoft's security update for Azure Site Recovery. 2. Restart affected Azure Site Recovery components. 3. Verify the update was successfully applied through Azure Portal or PowerShell.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Azure Site Recovery management interfaces to only authorized administrative networks
Azure NSG rules or firewall configurations to limit source IPs
Enhanced Authentication Controls
allImplement multi-factor authentication and strict access controls for Azure Site Recovery administrative accounts
Azure AD Conditional Access policies or MFA enforcement
🧯 If You Can't Patch
- Isolate Azure Site Recovery management interfaces behind VPN or private endpoints
- Implement strict monitoring and alerting for unusual authentication or configuration changes
🔍 How to Verify
Check if Vulnerable:
Check Azure Site Recovery component versions against Microsoft's security bulletin and verify if security updates have been applied
Check Version:
Azure PowerShell: Get-AzRecoveryServicesAsrFabric | Select-Object Name, Type, FabricObjectId
Verify Fix Applied:
Verify the security update is installed through Azure Portal (Site Recovery > Infrastructure > Servers) or using PowerShell: Get-AzRecoveryServicesAsrFabric
📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns to Azure Site Recovery
- Unexpected process execution on Site Recovery servers
- Configuration changes to recovery plans or replication settings
Network Indicators:
- Unusual traffic patterns to Azure Site Recovery management ports (default 9443)
- Connection attempts from unexpected source IPs
SIEM Query:
Azure Sentinel: SecurityEvent | where EventID == 4625 or EventID == 4688 | where Computer contains "ASR" or ProcessName contains "AzureSiteRecovery"