{"id":50778,"date":"2025-06-10T08:14:31","date_gmt":"2025-06-10T08:14:31","guid":{"rendered":""},"modified":"2025-06-18T23:07:41","modified_gmt":"2025-06-19T05:07:41","slug":"cve-2025-49001-critical-jwt-token-forgery-vulnerability-in-dataease","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49001-critical-jwt-token-forgery-vulnerability-in-dataease\/","title":{"rendered":"<strong>CVE-2025-49001: Critical JWT Token Forgery Vulnerability in DataEase<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has recently identified a severe vulnerability, known as CVE-2025-49001, in DataEase, an open-source business intelligence and data visualization tool. This vulnerability, due to ineffective secret verification, allows users to forge a JSON Web Token (JWT), potentially leading to unauthorized access or malicious activities. This flaw can impact any organization or individual using <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48481-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57175\">versions of DataEase prior<\/a> to v2.10.10.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-37093-severe-authentication-bypass-vulnerability-in-hpe-storeonce-software\/\"  data-wpil-monitor-id=\"57954\">severity of this vulnerability<\/a> is underscored by its CVSS score of 9.8, indicating a critical threat. The potential for system compromise and data leakage makes it crucial for users to understand this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21453-critical-memory-corruption-vulnerability-impacting-multiple-systems\/\"  data-wpil-monitor-id=\"58949\">vulnerability and take necessary steps to mitigate its impact<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49001<br \/>\nSeverity: Critical (CVSS:9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56989\">system compromise or data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3639273106\" 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>DataEase | Prior to v2.10.10<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a flaw in the secret verification process of DataEase. 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=\"57817\">versions prior<\/a> to 2.10.10, the verification process doesn&#8217;t work effectively, allowing an attacker to use any secret to forge a JWT token. This token can then be used to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48881-unauthorized-access-and-modification-vulnerability-in-valtimo-business-process-automation\/\"  data-wpil-monitor-id=\"57380\">unauthorized access<\/a> to the system, potentially compromising sensitive data or disrupting system operations.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4207670737\" 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&#8217;s a conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/token HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;algorithm&quot;: &quot;HS256&quot;,\n&quot;typ&quot;: &quot;JWT&quot;,\n&quot;kid&quot;: &quot;anySecret&quot;,\n&quot;payload&quot;: {\n&quot;user&quot;: &quot;admin&quot;\n},\n&quot;signature&quot;: &quot;...&quot;\n}<\/code><\/pre>\n<p>In this example, an attacker sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5739-critical-buffer-overflow-vulnerability-in-totolink-x15-http-post-request-handler\/\"  data-wpil-monitor-id=\"59814\">POST request<\/a> to the \/token URI with a forged JWT. The system, due to its flawed secret verification process, accepts the &#8216;anySecret&#8217; value in the &#8216;kid&#8217; field, and the attacker gains <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-13967-unauthorized-access-to-configuration-web-page-in-eibport-v3-knx-and-gsm\/\"  data-wpil-monitor-id=\"59346\">unauthorized access<\/a> as an admin user.<\/p>\n<p><strong>Mitigation Recommendations<\/strong><\/p>\n<p>Users are strongly advised to update DataEase to version 2.10.10 or later, where the vulnerability has been fixed. If an immediate update is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. However, these measures only offer temporary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49842-critical-memory-corruption-vulnerability-in-protected-vm-address-space\/\"  data-wpil-monitor-id=\"58855\">protection and cannot completely resolve the vulnerability<\/a>. Therefore, updating to a patched version remains the most effective solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a severe vulnerability, known as CVE-2025-49001, in DataEase, an open-source business intelligence and data visualization tool. This vulnerability, due to ineffective secret verification, allows users to forge a JSON Web Token (JWT), potentially leading to unauthorized access or malicious activities. This flaw can 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-50778","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\/50778","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=50778"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50778\/revisions"}],"predecessor-version":[{"id":53492,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50778\/revisions\/53492"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50778"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50778"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50778"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50778"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50778"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50778"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}