{"id":49053,"date":"2025-06-05T13:26:43","date_gmt":"2025-06-05T13:26:43","guid":{"rendered":""},"modified":"2025-10-03T06:50:31","modified_gmt":"2025-10-03T12:50:31","slug":"cve-2025-48476-mass-assignment-vulnerability-in-freescout-results-in-unauthorized-access","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-48476-mass-assignment-vulnerability-in-freescout-results-in-unauthorized-access\/","title":{"rendered":"<strong>CVE-2025-48476: Mass-Assignment Vulnerability in FreeScout Results in Unauthorized Access<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-48476 is a critical vulnerability found in FreeScout, a popular self-hosted help desk and shared mailbox solution. This vulnerability allows an authenticated user with editing privileges to potentially change the password of another user, subsequently gaining unauthorized access to the system under the other user&#8217;s identity. With a CVSS severity score of 8.8, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48383-django-select2-vulnerability-risking-data-leakage-and-unauthorized-access\/\"  data-wpil-monitor-id=\"56079\">vulnerability poses a significant risk<\/a> to organizations, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-48476<br \/>\nSeverity: Critical, CVSS Score 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low (Authenticated <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33117-privileged-user-vulnerability-in-ibm-qradar-siem\/\"  data-wpil-monitor-id=\"62972\">user with editing privileges<\/a>)<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57054\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-582444110\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48481-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57180\">FreeScout | Prior<\/a> to 1.8.180<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit leverages the fill() method in FreeScout&#8217;s codebase, which is used for adding and editing user records. Due to a lack of checks for the absence of the password field in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-35451-unchangeable-hard-coded-credentials-in-ptzoptics-cameras-expose-users-to-data-leakage\/\"  data-wpil-monitor-id=\"88239\">data received from the user<\/a>, an attacker can manipulate the user data while editing, adjusting the password field to a value of their choosing. This mass-assignment <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5098-printershare-android-app-vulnerability-allows-unauthorized-gmail-account-access\/\"  data-wpil-monitor-id=\"55109\">vulnerability allows<\/a> the attacker to subsequently log in as the user whose password was changed, potentially granting unauthorized access to sensitive data or system controls.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3010245005\" 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 example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"57055\">vulnerability might be exploited<\/a>. In this case, the attacker sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"62973\">POST request<\/a> to the endpoint for editing a user, including a new &#8216;password&#8217; field in the JSON payload:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/user\/edit HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\nAuthorization: Bearer &lt;valid_token&gt;\n{\n&quot;id&quot;: &quot;&lt;victim_user_id&gt;&quot;,\n&quot;password&quot;: &quot;&lt;new_password&gt;&quot;\n}<\/code><\/pre>\n<p>Upon receipt of this request, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48748-hard-coded-password-vulnerability-in-netwrix-directory-manager\/\"  data-wpil-monitor-id=\"57053\">vulnerable application would change the password<\/a> for the specified user ID to the new password provided by the attacker.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Organizations are strongly advised to apply the vendor patch provided in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48477-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57819\">version 1.8.180 of FreeScout<\/a>. If unable to immediately apply the update, temporary mitigation can be achieved through the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to block malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46458-critical-cross-site-request-forgery-csrf-vulnerability-leading-to-sql-injection-in-occupancyplan\/\"  data-wpil-monitor-id=\"55466\">requests attempting to exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-48476 is a critical vulnerability found in FreeScout, a popular self-hosted help desk and shared mailbox solution. This vulnerability allows an authenticated user with editing privileges to potentially change the password of another user, subsequently gaining unauthorized access to the system under the other user&#8217;s identity. With a CVSS severity score of 8.8, 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":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-49053","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\/49053","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=49053"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/49053\/revisions"}],"predecessor-version":[{"id":81051,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/49053\/revisions\/81051"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=49053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=49053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=49053"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=49053"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=49053"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=49053"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=49053"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=49053"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=49053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}