Azure IPAM समाधान में विशेषाधिकार वृद्धि भेद्यता

The impact of CVE-2024-21638 is severe due to the potential for privilege escalation and data exfiltration. An attacker exploiting this vulnerability could impersonate an administrator within Azure IPAM, gaining access to IP address management data. More concerningly, the vulnerability could be leveraged to access underlying Azure resources, potentially leading to data breaches, service disruption, and unauthorized modifications to the Azure environment. While the service principal used by Azure IPAM is designed with limited permissions (Reader role at the root Management Group), the authentication bypass effectively circumvents these controls, allowing an attacker to act as a privileged user.

Organizations heavily reliant on Azure IPAM for managing their IP address space are at significant risk. Environments with limited network segmentation or overly permissive user permissions within Azure IPAM are particularly vulnerable. Shared hosting environments utilizing Azure IPAM also face increased risk due to the potential for cross-tenant exploitation.

• windows / supply-chain: Monitor Azure IPAM logs for failed authentication attempts followed by successful logins from the same source IP address. Use PowerShell to check for unusual scheduled tasks or processes related to Azure IPAM.

Get-ScheduledTask | Where-Object {$_.TaskName -like "*AzureIPAM*"}

• linux / server: Examine Azure IPAM logs for suspicious authentication patterns. Use journalctl to filter for authentication failures and successes.

journalctl -u azure-ipam -f | grep -i authentication

• generic web: Monitor Azure IPAM endpoint access logs for unusual traffic patterns or requests from unauthorized IP addresses. Check response headers for unexpected content or errors.

1. 2024-01-10Disclosure

   disclosure

1. आरक्षित2023-12-29
2. प्रकाशित2024-01-10
3. संशोधित2025-06-03
4. EPSS अद्यतन2026-04-02

The primary mitigation for CVE-2024-21638 is to immediately upgrade Azure IPAM to version 3.0.0 or later. If upgrading is not immediately feasible, consider implementing stricter network segmentation to limit access to the Azure IPAM instance. Review and audit existing Azure IPAM user permissions to ensure least privilege principles are enforced. Monitor Azure IPAM logs for any suspicious activity, particularly authentication attempts from unexpected sources. While a WAF or proxy cannot directly prevent this authentication bypass, they can be configured to monitor for unusual traffic patterns associated with potential exploitation attempts.