{"id":59614,"date":"2025-07-24T17:02:47","date_gmt":"2025-07-24T17:02:47","guid":{"rendered":""},"modified":"2025-09-03T19:04:02","modified_gmt":"2025-09-04T01:04:02","slug":"cve-2025-49746-improper-authorization-in-azure-machine-learning-leading-to-privilege-escalation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49746-improper-authorization-in-azure-machine-learning-leading-to-privilege-escalation\/","title":{"rendered":"CVE-2025-49746: Improper Authorization in Azure Machine Learning Leading to Privilege Escalation<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical security vulnerability, identified as CVE-2025-49746. This vulnerability exists in Azure Machine Learning, a popular cloud-based machine learning service used by many businesses and organizations worldwide. Alarmingly, this vulnerability could allow<\/a> an attacker to elevate their privileges within a system, potentially enabling unauthorized access to sensitive information or system resources.
\nThe severity of this issue is underscored by its high CVSS Severity Score of 9.9, indicating that if exploited, it could have severe implications, including system compromise<\/a> or data leakage. With its widespread usage, Azure Machine<\/a> Learning users are strongly urged to understand this vulnerability and take the appropriate mitigation steps.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-49746
\nSeverity: Critical (9.9)
\nAttack Vector: Network
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: System Compromise<\/a>, Data Leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Azure Machine Learning | All versions before patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability arises due to improper authorization<\/a> mechanisms in Azure Machine Learning. An attacker, after gaining initial access to the network, can exploit this flaw to elevate their privileges<\/a>. By leveraging this increased access, they can then execute commands or access resources that would otherwise be restricted, leading to a potential system<\/a> compromise or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here is a conceptual example that illustrates how this vulnerability<\/a> might be exploited:<\/p>\n

POST \/api\/v1\/execute-command HTTP\/1.1\nHost: azureml.example.com\nAuthorization: Bearer {low_privilege_token}\nContent-Type: application\/json\n{\n\"command\": \"cat \/etc\/shadow\",\n\"elevate\": true\n}<\/code><\/pre>\n
In this example, the attacker uses a low privilege token they have access to, in order to execute a command<\/a> that would normally require higher privileges. The `”elevate”: true` part of the payload is where the improper authorization flaw is exploited, as the system fails to properly check the user’s privileges<\/a> before executing the command.<\/p>\n
Recommendations for Mitigation<\/strong><\/p>\n
Users of Azure Machine Learning<\/a> are strongly advised to apply the latest vendor patch to mitigate this vulnerability. In cases where immediate patching is not possible, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, these should not be viewed as a long-term solution, but rather as additional layers of security. The only comprehensive solution to this vulnerability<\/a> is to apply the vendor’s patch as soon as possible.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical security vulnerability, identified as CVE-2025-49746. This vulnerability exists in Azure Machine Learning, a popular cloud-based machine learning service used by many businesses and organizations worldwide. Alarmingly, this vulnerability could allow an attacker to elevate their privileges within a system, potentially enabling unauthorized […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59614","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t