{"id":41447,"date":"2025-05-21T03:53:06","date_gmt":"2025-05-21T03:53:06","guid":{"rendered":""},"modified":"2025-08-31T18:38:00","modified_gmt":"2025-09-01T00:38:00","slug":"cve-2025-43559-coldfusion-improper-input-validation-vulnerability-leading-to-arbitrary-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43559-coldfusion-improper-input-validation-vulnerability-leading-to-arbitrary-code-execution\/","title":{"rendered":"<strong>CVE-2025-43559: ColdFusion Improper Input Validation Vulnerability Leading to Arbitrary Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this blog post, we&#8217;ll be discussing an important vulnerability that affects ColdFusion versions 2025.1, 2023.13, 2021.19 and earlier. Identified as CVE-2025-43559, this vulnerability is an Improper Input Validation that could lead to arbitrary code execution, potentially compromising entire systems and leading to data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26168-critical-local-privilege-escalation-vulnerability-in-ixon-vpn-client\/\"  data-wpil-monitor-id=\"46383\">vulnerability is highly critical<\/a> as it can be exploited without user interaction, and can even bypass security mechanisms when exploited by a high-privileged attacker.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43559<br \/>\nSeverity: Critical (CVSS: 9.1)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: High<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39401-unrestricted-file-upload-leading-to-potential-system-compromise-in-mojoomla-wpams\/\"  data-wpil-monitor-id=\"52069\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1094937665\" 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>ColdFusion | 2025.1<br \/>\nColdFusion | 2023.13<br \/>\nColdFusion | 2021.19 and earlier versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41450-improper-authentication-vulnerability-in-danfoss-aksm8xxa-series\/\"  data-wpil-monitor-id=\"46778\">vulnerability is an Improper<\/a> Input Validation flaw. This means that the software does not properly validate or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31234-input-sanitization-flaw-leading-to-system-termination-and-kernel-memory-corruption\/\"  data-wpil-monitor-id=\"47860\">sanitize user-supplied input<\/a>. This vulnerability could allow an attacker to send malicious <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=\"47212\">input<\/a> to the system, leading to arbitrary code execution. If the attacker has high privileges, they can leverage this vulnerability to bypass security mechanisms, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34332-critical-vulnerability-in-ami-s-spx-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"47567\">potentially compromising the entire system<\/a> or exposing sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-260240130\" 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 example of how this exploit might work. The attacker sends a specially crafted HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47708-cross-site-request-forgery-vulnerability-in-drupal-enterprise-mfa-tfa\/\"  data-wpil-monitor-id=\"49795\">request to the vulnerable<\/a> endpoint, including a malicious payload in the request.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;malicious_payload&quot;: &quot;code_to_execute&quot; }<\/code><\/pre>\n<p>This malicious payload gets processed by the server without proper validation, leading to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21325-microsoft-printer-metadata-troubleshooter-tool-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"47723\">code execution<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, organizations are advised to apply the latest patches provided by the vendor. In case the patches cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation, helping to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20217-denial-of-service-vulnerability-in-snort-3-detection-engine-of-cisco-secure-firewall-threat-defense-software\/\"  data-wpil-monitor-id=\"77034\">detect and block attempts to exploit this vulnerability<\/a>. Regularly updating and patching systems, as well as enforcing strict <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48340-critical-csrf-vulnerability-in-danny-vink-user-profile-meta-manager-allows-privilege-escalation\/\"  data-wpil-monitor-id=\"52905\">privilege management<\/a>, can also help to prevent successful exploitation of this and similar vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this blog post, we&#8217;ll be discussing an important vulnerability that affects ColdFusion versions 2025.1, 2023.13, 2021.19 and earlier. Identified as CVE-2025-43559, this vulnerability is an Improper Input Validation that could lead to arbitrary code execution, potentially compromising entire systems and leading to data leakage. This vulnerability is highly critical as it can be [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-41447","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41447","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=41447"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41447\/revisions"}],"predecessor-version":[{"id":69426,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/41447\/revisions\/69426"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=41447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=41447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=41447"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=41447"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=41447"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=41447"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=41447"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=41447"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=41447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}