{"id":75286,"date":"2025-09-16T00:24:52","date_gmt":"2025-09-16T00:24:52","guid":{"rendered":""},"modified":"2025-10-04T09:11:29","modified_gmt":"2025-10-04T15:11:29","slug":"cve-2025-55145-critical-missing-authorization-vulnerability-in-ivanti-products","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-55145-critical-missing-authorization-vulnerability-in-ivanti-products\/","title":{"rendered":"<strong>CVE-2025-55145: Critical Missing Authorization Vulnerability in Ivanti Products<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In today\u2019s cybersecurity environment, the detection and mitigation of vulnerabilities in software products is of utmost importance. One such vulnerability, CVE-2025-55145, which affects multiple Ivanti products, has recently been identified and warrants attention. This vulnerability poses a significant risk to organizations using these products, as it allows remote authenticated attackers to hijack existing HTML5 connections, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45134-critical-vulnerability-in-mahara-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"82857\">potentially leading to system<\/a> compromise or data leakage. Immediate action is required to mitigate this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53587-high-risk-csrf-vulnerability-in-apustheme-findgo\/\"  data-wpil-monitor-id=\"82831\">high-risk vulnerability<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-55145<br \/>\nSeverity: Critical (8.9 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22404-potential-system-compromise-due-to-use-after-free-vulnerability\/\"  data-wpil-monitor-id=\"85657\">System Compromise<\/a> and Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-11838057\" 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>Ivanti Connect Secure | Before 22.7R2.9 or 22.8R2<br \/>\nIvanti <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9866-google-chrome-extensions-content-security-policy-bypass-vulnerability\/\"  data-wpil-monitor-id=\"86610\">Policy Secure<\/a> | Before 22.7R1.6<br \/>\nIvanti ZTA Gateway | Before 2.8R2.3-723<br \/>\nIvanti Neurons for Secure Access | Before 22.8R1.4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-55145 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-32832-high-risk-authorization-bypass-vulnerability-in-login-with-phone-number\/\"  data-wpil-monitor-id=\"85166\">vulnerability arises from a missing authorization<\/a> check in various Ivanti products. An attacker with low-level <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0078-selinux-bypass-exploitation-leads-to-local-privilege-escalation\/\"  data-wpil-monitor-id=\"88896\">privileges and network access can exploit<\/a> this weakness by hijacking existing HTML5 connections. This can be accomplished by intercepting the HTTP requests and responses between the client and the server, and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7051-unauthorized-access-and-manipulation-of-syslog-configuration-in-n-central\/\"  data-wpil-monitor-id=\"84558\">manipulating the data to gain unauthorized access<\/a> or perform unauthorized actions.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3974467073\" 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=\"\">GET \/existing\/html5\/connection HTTP\/1.1\nHost: target.example.com\nAuthorization: Bearer {legitimate_token}\n\/\/ The attacker intercepts the above request, then sends a new request:\nGET \/existing\/html5\/connection HTTP\/1.1\nHost: target.example.com\nAuthorization: Bearer {hijacked_token}<\/code><\/pre>\n<p>In this example, the attacker intercepts a legitimate request, then reuses the hijacked token to send a new request, effectively hijacking the existing HTML5 connection.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The vendor, Ivanti, has provided a patch to fix this vulnerability. The patch should be applied as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86415\">possible on all affected systems<\/a>. If immediate patching is not possible, use of 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-2025-1740-excessive-authentication-attempts-vulnerability-in-akinsoft-myrezzta\/\"  data-wpil-monitor-id=\"86757\">attempts to exploit this vulnerability<\/a>. However, these are only temporary solutions, and patching should be carried out as soon as feasibly possible to fully mitigate the risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In today\u2019s cybersecurity environment, the detection and mitigation of vulnerabilities in software products is of utmost importance. One such vulnerability, CVE-2025-55145, which affects multiple Ivanti products, has recently been identified and warrants attention. This vulnerability poses a significant risk to organizations using these products, as it allows remote authenticated attackers to hijack existing HTML5 [&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-75286","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\/75286","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=75286"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75286\/revisions"}],"predecessor-version":[{"id":81707,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75286\/revisions\/81707"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=75286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=75286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=75286"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=75286"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=75286"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=75286"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=75286"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=75286"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=75286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}