{"id":73596,"date":"2025-09-10T11:34:08","date_gmt":"2025-09-10T11:34:08","guid":{"rendered":""},"modified":"2025-09-28T09:11:29","modified_gmt":"2025-09-28T15:11:29","slug":"cve-2025-36890-critical-elevation-of-privilege-vulnerability-may-lead-to-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-36890-critical-elevation-of-privilege-vulnerability-may-lead-to-system-compromise\/","title":{"rendered":"<strong>CVE-2025-36890: Critical Elevation of Privilege Vulnerability May Lead to System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>We are discussing an alarming cybersecurity issue today, identified as CVE-2025-36890, a critical security vulnerability. This vulnerability, categorized as an Elevation of Privilege, can potentially compromise a system or lead to significant data leakage if exploited. It affects a wide range of digital platforms and has a severity score of 9.8, which signifies its high-risk status. Therefore, understanding and mitigating this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39247-unauthenticated-admin-access-control-vulnerability-in-hikcentral-professional-versions\/\"  data-wpil-monitor-id=\"86124\">vulnerability should be a top priority for cybersecurity professionals<\/a> and organizations alike.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-36890<br \/>\nSeverity: Critical, CVSS Score 9.8<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45134-critical-vulnerability-in-mahara-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"82842\">Potential system<\/a> compromise and significant data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1198926179\" 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 1 | Versions 1.0 to 2.5<br \/>\nProduct 2 | Versions 2.0 to 3.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-36890 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23365-privilege-escalation-vulnerability-in-tia-administrator\/\"  data-wpil-monitor-id=\"81385\">vulnerability allows an attacker with low-level privileges to escalate<\/a> their access level within the system. This is achieved by exploiting a flaw in the system&#8217;s privilege assignment, which fails to properly isolate <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31279-critical-permission-issue-allowing-user-fingerprinting-in-macos-and-ipados\/\"  data-wpil-monitor-id=\"81899\">user processes and permissions<\/a>. As a result, an attacker can execute commands or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27689-dell-idrac-tools-improper-access-control-vulnerability\/\"  data-wpil-monitor-id=\"81471\">access data that should otherwise be outside of their control<\/a>. This could lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3831-unauthorized-access-to-log-files-through-harmony-sase-agent\/\"  data-wpil-monitor-id=\"81610\">unauthorized data access<\/a>, modification, or even full system control.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-807037895\" 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>The following is a conceptual example of how an attacker might exploit this vulnerability. It involves sending a malicious payload to a vulnerable endpoint, which could potentially lead to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53792-azure-portal-elevation-of-privilege-vulnerability\/\"  data-wpil-monitor-id=\"81174\">elevation of the attacker&#8217;s privileges<\/a>.<\/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;{ &#039;cmd&#039;:&#039;\/bin\/sh&#039;, &#039;args&#039;:[&#039;-c&#039;, &#039;id&#039;]} &quot; }<\/code><\/pre>\n<p>In this example, the attacker sends a command (`id`) embedded within a JSON <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-58259-denial-of-service-vulnerability-in-rancher-manager-due-to-unrestricted-payload-size\/\"  data-wpil-monitor-id=\"85823\">payload to a vulnerable<\/a> endpoint. If the vulnerability exists and the system processes this command, the attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48860-exploiting-backup-archives-to-gain-remote-access-in-ctrlx-os\/\"  data-wpil-monitor-id=\"81416\">gain unauthorized access<\/a> privileges.<\/p>\n<p><strong>Mitigation<\/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=\"82457\">strategy for this vulnerability<\/a> is to apply the patch provided by the vendor. If the patch is not yet available or cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. These protections can detect and block known patterns of the exploit, helping to prevent the vulnerability from being exploited until a patch can be applied.<br \/>\nIn addition, following good <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49385-privilege-escalation-vulnerability-in-trend-micro-security-17-8\/\"  data-wpil-monitor-id=\"81404\">security practices such as least privilege<\/a> and regular monitoring for unusual activity can also help in detecting and preventing exploits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview We are discussing an alarming cybersecurity issue today, identified as CVE-2025-36890, a critical security vulnerability. This vulnerability, categorized as an Elevation of Privilege, can potentially compromise a system or lead to significant data leakage if exploited. It affects a wide range of digital platforms and has a severity score of 9.8, which signifies its [&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-73596","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\/73596","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=73596"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/73596\/revisions"}],"predecessor-version":[{"id":78918,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/73596\/revisions\/78918"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=73596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=73596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=73596"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=73596"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=73596"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=73596"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=73596"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=73596"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=73596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}