Advisory Details

June 25th, 2025

Microsoft Azure Machine Learning Environments Denial-of-Service Vulnerability

ZDI-25-422
ZDI-CAN-24823

CVE ID
CVSS SCORE 3.7, AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Azure
VULNERABILITY DETAILS

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Microsoft Azure. Authentication is not required to exploit this vulnerability.

The specific flaw exists within Azure Machine Learning Environments. The issue results from predictable Azure Container Registry names. An attacker can leverage this vulnerability to create a denial-of-service condition on the AML workspace.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/acknowledgement/online
DISCLOSURE TIMELINE
  • 2024-07-12 - Vulnerability reported to vendor
  • 2025-06-25 - Coordinated public release of advisory
  • 2025-06-25 - Advisory Updated
CREDIT Nitesh Surana (@_niteshsurana) of Trend Micro Research
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