{"id":20563,"date":"2025-04-10T04:29:09","date_gmt":"2025-04-10T04:29:09","guid":{"rendered":""},"modified":"2025-10-22T01:49:30","modified_gmt":"2025-10-22T07:49:30","slug":"cve-2023-51749-bypassing-application-restrictions-in-scalefusion","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-51749-bypassing-application-restrictions-in-scalefusion\/","title":{"rendered":"CVE-2023-51749: Bypassing Application Restrictions in ScaleFusion"},"content":{"rendered":"<h2 class=\"\" data-start=\"206\" data-end=\"217\">Overview<\/h2>\n<p class=\"\" data-start=\"219\" data-end=\"672\">In late 2023, a security vulnerability was discovered in <strong data-start=\"276\" data-end=\"298\">ScaleFusion 10.5.2<\/strong>, a widely-used mobile device management (MDM) solution for managing Windows, Android, iOS, and macOS devices in enterprise environments. The vulnerability, tracked as <strong data-start=\"466\" data-end=\"484\">CVE-2023-51749<\/strong>, allows local users to <strong data-start=\"508\" data-end=\"552\">bypass enforced application restrictions<\/strong> intended to lock the device down to a single approved app \u2014 specifically Microsoft Edge \u2014 using a tooltip search trick.<\/p>\n<p class=\"\" data-start=\"674\" data-end=\"760\">This blog breaks down how the flaw works, what caused it, and how you can mitigate it.<\/p>\n<h2 class=\"\" data-start=\"767\" data-end=\"793\">What Is CVE-2023-51749?<\/h2>\n<p class=\"\" data-start=\"795\" data-end=\"1157\"><strong data-start=\"795\" data-end=\"813\">CVE-2023-51749<\/strong> is a local bypass <a class=\"wpil_keyword_link\" href=\"https:\/\/ameeba.com\"   title=\"vulnerability\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24136\">vulnerability<\/a> affecting Windows devices enrolled under ScaleFusion&#8217;s MDM policies. It stems from a loophole in how <strong data-start=\"947\" data-end=\"983\">tooltips within the Edge browser<\/strong> can allow interaction beyond the application&#8217;s scope, enabling users to <a href=\"https:\/\/www.ameeba.com\/blog\/threathunter-ai-launches-cybersecurity-initiative-for-california-community-colleges-a-closer-look\/\"  data-wpil-monitor-id=\"32506\">initiate searches or launch<\/a> unintended interfaces \u2014 effectively <strong data-start=\"1120\" data-end=\"1156\">escaping the single-app lockdown<\/strong>.<\/p>\n<h3 class=\"\" data-start=\"1159\" data-end=\"1177\">Exploit Impact<\/h3>\n<p class=\"\" data-start=\"1179\" data-end=\"1237\">This means that, under certain configurations, a user can:<\/p>\n<ul data-start=\"1239\" data-end=\"1445\">\n<li class=\"\" data-start=\"1239\" data-end=\"1302\">\n<p class=\"\" data-start=\"1241\" data-end=\"1302\">Escape the Edge browser (even when it\u2019s the only <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5098-printershare-android-app-vulnerability-allows-unauthorized-gmail-account-access\/\"  data-wpil-monitor-id=\"55127\">app allowed<\/a>)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1303\" data-end=\"1370\">\n<p class=\"\" data-start=\"1305\" data-end=\"1370\">Initiate actions or open apps that should otherwise be restricted<\/p>\n<\/li>\n<li class=\"\" data-start=\"1371\" data-end=\"1445\">\n<p class=\"\" data-start=\"1373\" data-end=\"1445\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2945-unveiling-the-system-access-vulnerability-in-network-security-protocols\/\"  data-wpil-monitor-id=\"27839\">Access system<\/a> features that violate the intended locked-down environment<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1447\" data-end=\"1639\">While this exploit requires physical access to the device, its ability to <strong data-start=\"1521\" data-end=\"1550\">bypass corporate policies<\/strong> and <strong data-start=\"1555\" data-end=\"1586\">undermine <a class=\"wpil_keyword_link\" href=\"https:\/\/chat.ameeba.com\"   title=\"security\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24137\">security<\/a> postures<\/strong> makes it a notable threat for managed device fleets.<\/p><div id=\"ameeb-2048480915\" 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<h2 class=\"\" data-start=\"1646\" data-end=\"1679\">How It Works (Conceptual View)<\/h2>\n<p class=\"\" data-start=\"1681\" data-end=\"2022\">The <a href=\"https:\/\/www.ameeba.com\/blog\/microsoft-applauds-encrypthub-for-uncovering-windows-vulnerabilities-a-deeper-look-into-the-incident-consequences-and-preventative-measures\/\"  data-wpil-monitor-id=\"24629\">vulnerability does <strong data-start=\"1704\" data-end=\"1753\">not exploit a bug in Edge or Windows<\/a> directly<\/strong> \u2014 rather, it leverages the <strong data-start=\"1781\" data-end=\"1821\">tooltip-based search bar within Edge<\/strong> as a pivot point. A user could right-click on a UI element or text within Edge, initiate a search or action via a tooltip, and from there, <strong data-start=\"1961\" data-end=\"2021\">trigger a context that breaks the single-app enforcement<\/strong>.<\/p>\n<p class=\"\" data-start=\"2024\" data-end=\"2160\">This technique relies on <strong data-start=\"2049\" data-end=\"2071\">interaction chains<\/strong> that were not effectively sandboxed by the ScaleFusion lockdown logic in version 10.5.2.<\/p>\n<h2 class=\"\" data-start=\"2167\" data-end=\"2187\">Affected Versions<\/h2>\n<ul data-start=\"2189\" data-end=\"2370\">\n<li class=\"\" data-start=\"2189\" data-end=\"2239\">\n<p class=\"\" data-start=\"2191\" data-end=\"2239\"><strong data-start=\"2191\" data-end=\"2239\">ScaleFusion MDM for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8088-path-traversal-vulnerability-in-windows-version-of-winrar\/\"  data-wpil-monitor-id=\"78687\">Windows \u2014 version<\/a> 10.5.2<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2240\" data-end=\"2296\">\n<p class=\"\" data-start=\"2242\" data-end=\"2296\">Other platforms (Android, <a class=\"wpil_keyword_link\" href=\"https:\/\/apps.apple.com\/us\/app\/ameeba-chat\/id1670582506\"   title=\"iOS\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24138\">iOS<\/a>, macOS) are not affected<\/p>\n<\/li>\n<li class=\"\" data-start=\"2297\" data-end=\"2370\">\n<p class=\"\" data-start=\"2299\" data-end=\"2370\">This issue <strong data-start=\"2310\" data-end=\"2370\">only occurs under certain custom lockdown configurations<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2377\" data-end=\"2395\">Vendor Response<\/h2>\n<p class=\"\" data-start=\"2397\" data-end=\"2452\">ScaleFusion has acknowledged the issue and stated that:<\/p>\n<blockquote data-start=\"2454\" data-end=\"2615\">\n<p class=\"\" data-start=\"2456\" data-end=\"2615\">\u201cThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48252-improper-authorization-vulnerability-in-bosch-rexroth-nexo-cordless-nutrunner-devices\/\"  data-wpil-monitor-id=\"25810\">vulnerability does not exist when devices<\/a> are configured with the default Windows device profile, which uses modern management with allow-listing rules.\u201d<\/p>\n<\/blockquote>\n<p class=\"\" data-start=\"2617\" data-end=\"2713\">This implies that <strong data-start=\"2635\" data-end=\"2678\">custom or legacy profile configurations<\/strong> are more susceptible to the issue.<\/p>\n<h2 class=\"\" data-start=\"2720\" data-end=\"2738\">How to Mitigate<\/h2>\n<p class=\"\" data-start=\"2740\" data-end=\"2816\">If you&#8217;re a ScaleFusion administrator or IT manager, here\u2019s what you can do:<\/p><div id=\"ameeb-1773429275\" 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<h3 class=\"\" data-start=\"2818\" data-end=\"2852\">Update to the Latest Version<\/h3>\n<p class=\"\" data-start=\"2853\" data-end=\"2953\">Ensure you&#8217;re running the most recent version of ScaleFusion, which contains updated lockdown logic.<\/p>\n<h3 class=\"\" data-start=\"2955\" data-end=\"2996\">Use Default Windows Device Profiles<\/h3>\n<p class=\"\" data-start=\"2997\" data-end=\"3093\">Use the <strong data-start=\"3005\" data-end=\"3061\">modern <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=\"55128\">management profile<\/a> with website allow-listing<\/strong>, as recommended by ScaleFusion.<\/p>\n<p class=\"\" data-start=\"2997\" data-end=\"3093\">\u00a0Reevaluate Custom Configurations<\/p>\n<p class=\"\" data-start=\"3134\" data-end=\"3188\">If you\u2019re using a non-default or legacy configuration:<\/p>\n<ul data-start=\"3189\" data-end=\"3302\">\n<li class=\"\" data-start=\"3189\" data-end=\"3245\">\n<p class=\"\" data-start=\"3191\" data-end=\"3245\">Review all <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43232-critical-permissions-issue-allowing-app-to-bypass-privacy-preferences-in-macos\/\"  data-wpil-monitor-id=\"69112\">allowed apps<\/a> and context-sensitive features<\/p>\n<\/li>\n<li class=\"\" data-start=\"3246\" data-end=\"3302\">\n<p class=\"\" data-start=\"3248\" data-end=\"3302\">Test kiosk lockdowns using real user interaction paths<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"3304\" data-end=\"3333\">Monitor Device Behavior<\/h3>\n<p class=\"\" data-start=\"3334\" data-end=\"3446\">Use device analytics or <a class=\"wpil_keyword_link\" href=\"https:\/\/www.ameeba.com\"   title=\"audit logs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24135\">audit logs<\/a> to identify suspicious app usage patterns that may indicate a bypass attempt.<\/p>\n<h2 class=\"\" data-start=\"3453\" data-end=\"3472\">Why This Matters<\/h2>\n<p class=\"\" data-start=\"3474\" data-end=\"3719\">MDM platforms are the cornerstone of enterprise mobility, and their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50760-addressing-the-critical-buffer-overflow-vulnerability-in-secure-shell-ssh\/\"  data-wpil-monitor-id=\"24630\">security is critical<\/a>. Flaws like CVE-2023-51749 demonstrate how <strong data-start=\"3606\" data-end=\"3632\">unexpected UI pathways<\/strong> (like tooltips) can become weak links in an otherwise strong policy enforcement chain.<\/p>\n<p class=\"\" data-start=\"3721\" data-end=\"3861\">For organizations in healthcare, education, retail, and logistics \u2014 where kiosk or single-app modes are common \u2014 these <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32843-sql-injection-vulnerability-in-telecontrol-server-basic-leading-to-authorization-bypass-and-data-manipulation\/\"  data-wpil-monitor-id=\"42109\">bypasses can lead<\/a> to:<\/p>\n<ul data-start=\"3862\" data-end=\"3948\">\n<li class=\"\" data-start=\"3862\" data-end=\"3888\">\n<p class=\"\" data-start=\"3864\" data-end=\"3888\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2815-unauthorized-modification-of-data-in-administrator-z-wordpress-plugin\/\"  data-wpil-monitor-id=\"29791\">Unauthorized data<\/a> access<\/p>\n<\/li>\n<li class=\"\" data-start=\"3889\" data-end=\"3924\">\n<p class=\"\" data-start=\"3891\" data-end=\"3924\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3529-sensitive-information-exposure-in-wordpress-simple-shopping-cart-plugin\/\"  data-wpil-monitor-id=\"42108\">Exposure of PII or sensitive<\/a> data<\/p>\n<\/li>\n<li class=\"\" data-start=\"3925\" data-end=\"3948\">\n<p class=\"\" data-start=\"3927\" data-end=\"3948\">Compliance violations<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"3955\" data-end=\"3972\">Final Thoughts<\/h2>\n<p class=\"\" data-start=\"3974\" data-end=\"4262\">While CVE-2023-51749 is not a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21625-critical-remote-code-execution-vulnerability-in-network-protocol\/\"  data-wpil-monitor-id=\"24246\">remote code execution vulnerability<\/a> or system takeover, it highlights the <strong data-start=\"4078\" data-end=\"4100\">nuanced challenges<\/strong> in endpoint lockdown mechanisms. As more enterprises rely on tools like ScaleFusion, continuous testing, and validation of enforced restrictions becomes crucial.<\/p>\n<p class=\"\" data-start=\"4264\" data-end=\"4364\"><strong data-start=\"4267\" data-end=\"4364\">Security is not just about locking <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49688-double-free-vulnerability-in-windows-rras-opens-door-for-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"69113\">doors \u2014 it&#8217;s about making sure the windows<\/a> are secure too.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In late 2023, a security vulnerability was discovered in ScaleFusion 10.5.2, a widely-used mobile device management (MDM) solution for managing Windows, Android, iOS, and macOS devices in enterprise environments. The vulnerability, tracked as CVE-2023-51749, allows local users to bypass enforced application restrictions intended to lock the device down to a single approved app \u2014 [&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":[77,91,82],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-20563","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple","vendor-google","vendor-microsoft","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20563","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=20563"}],"version-history":[{"count":20,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20563\/revisions"}],"predecessor-version":[{"id":83952,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20563\/revisions\/83952"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=20563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=20563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=20563"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=20563"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=20563"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=20563"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=20563"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=20563"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=20563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}