{"id":64017,"date":"2025-08-13T04:03:45","date_gmt":"2025-08-13T04:03:45","guid":{"rendered":""},"modified":"2025-10-04T00:32:22","modified_gmt":"2025-10-04T06:32:22","slug":"cve-2025-46387-critical-authorization-bypass-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-46387-critical-authorization-bypass-vulnerability\/","title":{"rendered":"<strong>CVE-2025-46387: Critical Authorization Bypass Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this blog post, we are going to delve into the details of a critical cybersecurity vulnerability, CVE-2025-46387. This vulnerability is a high-severity authorization bypass issue that has the potential to compromise systems and lead to data leakage. It affects a wide range of products and is significant <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31713-a-potential-privilege-escalation-vulnerability-due-to-command-injection\/\"  data-wpil-monitor-id=\"79486\">due to the high potential<\/a> impact and severity of a successful exploit. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27046-critical-memory-corruption-vulnerability-threatening-system-integrity\/\"  data-wpil-monitor-id=\"75087\">vulnerability is of particular concern to system<\/a> administrators, security professionals, and anyone responsible for maintaining the security of software products and network infrastructure.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-46387<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78612\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2324755357\" 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 | Versions X.X &#8211; X.X<br \/>\nProduct B | Versions Y.Y &#8211; Y.Y<br \/>\n(Note: Actual product and version details were not provided, so placeholders have been used.)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by an attacker manipulating a user-controlled key. This bypasses the authorization mechanism, allowing the attacker to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72855\">unauthorized access<\/a> to the system or application. Once access is achieved, the attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40741-stack-based-overflow-vulnerability-in-solid-edge-se2025-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75865\">potentially compromise the system<\/a> and leak sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2501315850\" 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>Below is a conceptual <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49526-out-of-bounds-write-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"75302\">illustration of how an attack exploiting this vulnerability<\/a> might be carried out. This example uses an HTTP request with a malicious payload, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52732-php-remote-file-inclusion-vulnerability-in-google-map-targeting-plugin\/\"  data-wpil-monitor-id=\"81954\">targeting a vulnerable<\/a> endpoint.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;user_controlled_key&quot;: &quot;malicious_payload&quot;\n}<\/code><\/pre>\n<p>In this example, the attacker has manipulated the user-controlled key to send a malicious payload, bypassing the authorization mechanism and potentially gaining <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44655-unauthorized-access-and-privilege-escalation-in-totolink-routers\/\"  data-wpil-monitor-id=\"73281\">unauthorized access<\/a> to the system.<\/p>\n<p><strong>Mitigation and Prevention<\/strong><\/p>\n<p>The primary mitigation <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46658-critical-security-vulnerability-in-exonautweb-s-4c-strategies-exonaut-21-6\/\"  data-wpil-monitor-id=\"82487\">strategy for this vulnerability<\/a> is to apply a vendor-supplied patch. Vendors usually provide patches or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48799-privilege-escalation-vulnerability-in-windows-update-service\/\"  data-wpil-monitor-id=\"77847\">updates that fix vulnerabilities<\/a> in their products. It&#8217;s always recommended to keep all <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25180-underprivileged-software-manipulates-gpu-system-calls-for-unauthorized-access\/\"  data-wpil-monitor-id=\"88767\">software and systems<\/a> up-to-date.<br \/>\nFor temporary mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41530-critical-sql-injection-vulnerability-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"75931\">systems can detect and prevent attacks exploiting this vulnerability<\/a>. However, this should only be a temporary solution until the vendor patch can be applied.<br \/>\nRemember, the best defense against any <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55299-critical-vulnerability-in-vaultls-mtls-certificate-management-solution\/\"  data-wpil-monitor-id=\"76163\">vulnerability is a combination of timely patch management<\/a>, use of robust security tools, and following cybersecurity best practices.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this blog post, we are going to delve into the details of a critical cybersecurity vulnerability, CVE-2025-46387. This vulnerability is a high-severity authorization bypass issue that has the potential to compromise systems and lead to data leakage. It affects a wide range of products and is significant due to the high potential impact [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64017","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64017","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=64017"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64017\/revisions"}],"predecessor-version":[{"id":81577,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64017\/revisions\/81577"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64017"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64017"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64017"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64017"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64017"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64017"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}