{"id":41045,"date":"2025-05-20T11:45:53","date_gmt":"2025-05-20T11:45:53","guid":{"rendered":""},"modified":"2025-10-29T17:39:08","modified_gmt":"2025-10-29T23:39:08","slug":"cve-2025-30387-severe-path-traversal-vulnerability-in-azure-allowing-privilege-escalation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-30387-severe-path-traversal-vulnerability-in-azure-allowing-privilege-escalation\/","title":{"rendered":"<strong>CVE-2025-30387: Severe Path Traversal Vulnerability in Azure Allowing Privilege Escalation<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is continuously evolving, with new vulnerabilities detected every other day. Today, we discuss a recently discovered critical vulnerability, CVE-2025-30387, that has been identified within Microsoft Azure. Azure is a <a href=\"https:\/\/www.ameeba.com\/blog\/securing-your-small-business-a-comprehensive-guide-to-cybersecurity-essentials\/\"  data-wpil-monitor-id=\"50233\">comprehensive set of cloud services that millions of businesses<\/a> worldwide use for building, deploying, and managing applications. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-20698-windows-kernel-elevation-of-privilege-vulnerability-a-threat-to-system-security\/\"  data-wpil-monitor-id=\"47202\">vulnerability in question exposes these businesses to potential system<\/a> compromise or data leakage.<br \/>\nThe significance of this vulnerability lies in its ability to enable an unauthorized attacker to elevate <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3605-privilege-escalation-vulnerability-in-frontend-login-and-registration-blocks-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"46143\">privileges<\/a> over a network. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-8100-admin-privilege-escalation-in-arista-cloudvision-portal\/\"  data-wpil-monitor-id=\"46272\">privilege escalation<\/a> could potentially allow an attacker to gain unauthorized access to sensitive information, disrupt operations, or even take control of an affected system.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-30387<br \/>\nSeverity: Critical; CVSS Score 9.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34333-critical-vulnerability-in-ami-s-spx-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"47654\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3968326968\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Microsoft Azure | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47269-session-token-exposure-in-code-server-prior-to-version-4-99-4\/\"  data-wpil-monitor-id=\"46745\">versions prior<\/a> to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The crux of the vulnerability lies in the improper limitation of a pathname to a restricted directory, commonly referred to as &#8216;<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32820-a-critical-path-traversal-vulnerability-in-sma100\/\"  data-wpil-monitor-id=\"46740\">path traversal<\/a>. An attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53964-critical-file-manipulation-vulnerability-in-goldendict\/\"  data-wpil-monitor-id=\"67184\">manipulate variables that reference files<\/a> with &#8216;..&#8217; sequences and its variations. This allows them to traverse the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-20653-microsoft-common-log-file-system-elevation-of-privilege-vulnerability\/\"  data-wpil-monitor-id=\"47653\">file system<\/a> to unauthorized directories, granting them unauthorized access to files.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3633851703\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a theoretical example of how an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"67185\">attacker might exploit<\/a> this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/..\/etc\/passwd HTTP\/1.1\nHost: azure.example.com<\/code><\/pre>\n<p>In this case, the attacker is attempting to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43564-improper-access-control-vulnerability-in-coldfusion-leading-to-arbitrary-file-system-read\/\"  data-wpil-monitor-id=\"49388\">access the &#8216;\/etc\/passwd&#8217; file<\/a>, a sensitive file on UNIX systems that typically contains user account information. This is a simple demonstration and actual exploits may be far more complex and stealthy.<\/p>\n<p><strong>Mitigation and Recommendations<\/strong><\/p>\n<p>As a first line of defense, organizations should apply the vendor patch provided by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30383-type-confusion-vulnerability-in-microsoft-office-excel-leading-to-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"91862\">Microsoft<\/a> for Azure. If the patch cannot be applied immediately, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation, helping to detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2305-path-traversal-vulnerability-in-file-download-functionality\/\"  data-wpil-monitor-id=\"50675\">path traversal<\/a> attempts.<br \/>\nRegularly reviewing and updating <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1763-cross-site-scripting-and-content-security-policy-bypass-in-gitlab-ee\/\"  data-wpil-monitor-id=\"57350\">security policies<\/a>, conducting routine security audits, and providing security training to employees can also help reduce the risk of falling victim to such exploits.<br \/>\nRemember, staying informed and prepared is the best <a href=\"https:\/\/www.ameeba.com\/blog\/demystifying-the-3-2-1-1-0-strategy-in-cybersecurity-why-experts-are-rallying-behind-it\/\"  data-wpil-monitor-id=\"53217\">strategy in the ever-evolving world of cybersecurity<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is continuously evolving, with new vulnerabilities detected every other day. Today, we discuss a recently discovered critical vulnerability, CVE-2025-30387, that has been identified within Microsoft Azure. Azure is a comprehensive set of cloud services that millions of businesses worldwide use for building, deploying, and managing applications. The vulnerability in question exposes [&hellip;]<\/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,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[85,76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-41045","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-directory-traversal","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=41045"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41045\/revisions"}],"predecessor-version":[{"id":85040,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41045\/revisions\/85040"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=41045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=41045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=41045"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=41045"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=41045"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=41045"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=41045"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=41045"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=41045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}