{"id":63989,"date":"2025-08-11T23:51:58","date_gmt":"2025-08-11T23:51:58","guid":{"rendered":""},"modified":"2025-08-31T20:42:23","modified_gmt":"2025-09-01T02:42:23","slug":"cve-2025-27446-incorrect-permission-assignment-for-critical-resource-in-apache-apisix","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27446-incorrect-permission-assignment-for-critical-resource-in-apache-apisix\/","title":{"rendered":"<strong>CVE-2025-27446: Incorrect Permission Assignment for Critical Resource in Apache APISIX<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has identified a significant vulnerability in the Apache APISIX&#8217;s Java plugin runner, labeled as CVE-2025-27446. This vulnerability is a classic case of incorrect permission assignment for a critical resource. It allows local attackers to exploit the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74262\">potentially leading to unwanted system compromise<\/a> or data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21450-critical-cryptographic-issue-due-to-insecure-connection-method\/\"  data-wpil-monitor-id=\"77178\">issue is of high importance due<\/a> to its severity and the widespread use of Apache APISIX, increasing the potential damage that can be inflicted if not addressed promptly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27446<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27043-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75360\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4096023184\" 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: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\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: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\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: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Apache APISIX(java-plugin-runner) | 0.2.0 &#8211; 0.5.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of the incorrectly assigned permissions to the local listening <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6679-critical-arbitrary-file-upload-vulnerability-in-bit-form-builder-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"75359\">file in the Apache APISIX plugin<\/a> runner. An attacker with local access to the system can manipulate these permissions to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53762-privilege-elevation-vulnerability-in-microsoft-purview\/\"  data-wpil-monitor-id=\"72943\">elevated privileges<\/a>. With these <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47962-unauthorized-privilege-elevation-in-windows-sdk\/\"  data-wpil-monitor-id=\"74057\">elevated privileges<\/a>, the attacker can perform actions that are typically restricted to higher-level users, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-198272512\" 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&#8217;s a conceptual command-line example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker gains access to the system\n$ ssh user@vulnerable.system.com\n# Attacker locates the plugin runner\n$ cd \/path\/to\/apisix\/plugin\/runner\n# Attacker escalates privileges using the permission flaw\n$ chmod 777 critical_file<\/code><\/pre>\n<p>Note: This is a simplified and conceptual example. Actual exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43275-critical-race-condition-vulnerability-in-macos\/\"  data-wpil-monitor-id=\"71668\">vulnerability might require more advanced techniques or specific conditions<\/a>.<br \/>\nIt&#8217;s essential to upgrade your Apache APISIX to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43588-out-of-bounds-write-vulnerability-in-substance3d-sampler-versions-5-0-and-earlier\/\"  data-wpil-monitor-id=\"73523\">version 0.6.0 or higher to rectify this vulnerability<\/a>. Alternatively, applying vendor patches or using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation strategies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has identified a significant vulnerability in the Apache APISIX&#8217;s Java plugin runner, labeled as CVE-2025-27446. This vulnerability is a classic case of incorrect permission assignment for a critical resource. It allows local attackers to exploit the system, potentially leading to unwanted system compromise or data leakage. This [&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":[103],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-63989","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apache"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63989","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=63989"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63989\/revisions"}],"predecessor-version":[{"id":69550,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63989\/revisions\/69550"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=63989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=63989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=63989"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=63989"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=63989"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=63989"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=63989"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=63989"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=63989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}