Auth bypass in Azure Ipam
CVE-2024-21638
Azure IPAM (IP Address Management) is a lightweight solution developed on top of the Azure platform designed to help Azure customers manage their IP Address space easily and effectively. By design there is no write access to customers' Azure environments as the Service Principal used is only assigned the Reader role at the root Management Group level. Until recently, the solution lacked the validation of the passed in authentication token which may result in attacker impersonating any privileged user to access data stored within the IPAM instance and subsequently from Azure, causing an elevation of privilege. This vulnerability has been patched in version 3.0.0.
Vulnerability class: Privilege Escalation
EPSS: 0.017 (74.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Azure Ipam — versions < 3.0.0
- Microsoft Azure_ipam
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-21638?
- CVE-2024-21638 is a critical-severity vulnerability in Azure Ipam, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2024-01-10.
- How severe is CVE-2024-21638?
- Critical severity. CVSS v3 base score is 9.1 out of 10.