{"id":59865,"date":"2025-08-04T05:47:39","date_gmt":"2025-08-04T05:47:39","guid":{"rendered":""},"modified":"2025-09-16T12:32:20","modified_gmt":"2025-09-16T18:32:20","slug":"cve-2025-54769-authenticated-directory-traversal-leading-to-remote-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54769-authenticated-directory-traversal-leading-to-remote-code-execution\/","title":{"rendered":"<strong>CVE-2025-54769: Authenticated Directory Traversal Leading to Remote Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The security vulnerability identified as CVE-2025-54769 is a potent threat that manipulates file upload functionalities and directory traversals to compromise system integrity. This vulnerability affects any application that does not validate or sanitize the file path and name during the file upload process. The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26074-remote-code-execution-vulnerability-in-orkes-conductor-v3-21-11\/\"  data-wpil-monitor-id=\"65998\">vulnerability can lead to remote code execution<\/a> (RCE), a severe security flaw that enables an attacker to execute arbitrary commands or code on a victim&#8217;s system.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54887-significant-security-vulnerability-in-jwe-ruby-encryption-implementation\/\"  data-wpil-monitor-id=\"82713\">significance of this vulnerability<\/a> lies in its ability to be exploited by a read-only user, which typically have limited permissions. This means that even seemingly &#8216;safe&#8217; user accounts can become potential threats. Given the high CVSS severity score of 8.8, the impact of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27614-a-high-risk-gitk-vulnerability-enabling-system-compromise\/\"  data-wpil-monitor-id=\"70487\">vulnerability on affected systems<\/a> is significant and requires immediate attention.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54769<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low (<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5821-critical-authentication-bypass-vulnerability-in-case-theme-user-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"83323\">Authenticated Read-only User<\/a>)<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74215\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2388279163\" 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>Product A | Version 1.0-2.5<br \/>\nProduct B | Version 2.5-3.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit works by taking advantage of the application&#8217;s lack of validation and sanitization during the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54439-unrestricted-file-upload-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67040\">file upload<\/a> process. An authenticated read-only user <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54444-unrestricted-file-upload-leading-to-code-injection-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67233\">uploads a file<\/a> and performs a directory traversal (exploiting a lack of proper input validation) to place the uploaded file in a location of their choosing.<br \/>\nThis can be used to overwrite existing PERL modules within the application. By doing so, the attacker can craft a malicious script that, when executed, gives them control over the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25214-race-condition-vulnerability-in-wwbn-avideo-14-4-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"67508\">leading to remote code<\/a> execution (RCE).<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4018561153\" 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 conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/upload_file HTTP\/1.1\nHost: vulnerableapp.example.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=&quot;uploaded_file&quot;; filename=&quot;..\/..\/..\/..\/etc\/perl\/module_to_overwrite.pl&quot;\nContent-Type: application\/x-perl\n[Insert malicious PERL script here]\n------WebKitFormBoundary7MA4YWxkTrZu0gW--<\/code><\/pre>\n<p>In this example, the attacker is uploading a malicious PERL script and using <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44137-directory-traversal-vulnerability-in-maptiler-tileserver-php-v2-0\/\"  data-wpil-monitor-id=\"71543\">directory traversal<\/a> (&#8216;..\/..\/..\/..\/&#8217;) to overwrite an existing module in the &#8216;\/etc\/perl\/&#8217; directory. When the application next uses this module, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74609\">script is executed<\/a>, leading to RCE.<br \/>\nTo mitigate this vulnerability, it is recommended to apply the vendor patch as soon as it becomes available or use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The security vulnerability identified as CVE-2025-54769 is a potent threat that manipulates file upload functionalities and directory traversals to compromise system integrity. This vulnerability affects any application that does not validate or sanitize the file path and name during the file upload process. The exploitation of this vulnerability can lead to remote code execution [&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":[],"product":[],"attack_vector":[85,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59865","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-directory-traversal","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59865","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=59865"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59865\/revisions"}],"predecessor-version":[{"id":75864,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59865\/revisions\/75864"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59865"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59865"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59865"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59865"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59865"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59865"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}