{"id":59363,"date":"2025-07-13T23:58:16","date_gmt":"2025-07-13T23:58:16","guid":{"rendered":""},"modified":"2025-10-02T18:33:17","modified_gmt":"2025-10-03T00:33:17","slug":"cve-2025-43931-potential-system-compromise-via-flask-boilerplate-s-password-reset-feature","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43931-potential-system-compromise-via-flask-boilerplate-s-password-reset-feature\/","title":{"rendered":"<strong>CVE-2025-43931: Potential System Compromise via Flask-Boilerplate&#8217;s Password Reset Feature<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>We are taking a closer look at the notable vulnerability CVE-2025-43931, a serious security weakness in the flask-boilerplate software. This vulnerability poses a significant risk to any system running versions of flask-boilerplate up to a170e7c, as it could potentially allow unauthorized attackers to take over user accounts through the password reset feature. This is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8060-critical-vulnerability-in-tenda-ac23-leading-to-stack-based-buffer-overflow\/\"  data-wpil-monitor-id=\"67921\">critical issue because an account takeover can lead<\/a> to unauthorized access to sensitive data, system compromise, and even potential data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43931<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45346-sql-injection-vulnerability-in-bacula-web-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"67922\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2577635282\" 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>Flask-Boilerplate | Up to a170e7c<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability lies within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8322-critical-missing-authorization-vulnerability-in-e-school-software-by-ventem\/\"  data-wpil-monitor-id=\"70294\">password reset<\/a> feature of the flask-boilerplate software. Due to a misconfiguration in the SERVER_NAME, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43933-high-risk-vulnerability-leading-to-potential-system-compromise-via-password-reset-feature\/\"  data-wpil-monitor-id=\"70802\">password reset<\/a> depends on the Host HTTP header. An attacker can manipulate this Host header to trick the application into sending the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50594-critical-password-reset-vulnerability-in-danphe-health-hospital-management-system-emr-3-2\/\"  data-wpil-monitor-id=\"80435\">password reset<\/a> link to an email address controlled by the attacker. This allows the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43932-account-takeover-vulnerability-in-jobcenter-through-password-reset-feature\/\"  data-wpil-monitor-id=\"76117\">reset the victim&#8217;s password and subsequently take over their account<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2693087550\" 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 a malicious HTTP request that could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36600-dell-bios-improper-access-control-vulnerability-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"70295\">potentially exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/password_reset HTTP\/1.1\nHost: attacker-controlled-server.com\nContent-Type: application\/json\n{ &quot;user_email&quot;: &quot;victim@example.com&quot; }<\/code><\/pre>\n<p>In this request, the attacker manipulates the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-56266-host-header-injection-vulnerability-in-avigilon-acm\/\"  data-wpil-monitor-id=\"87965\">Host header<\/a> to point to their own server. The flask-boilerplate system, seeing the request as legitimate, sends the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-51543-admin-password-reset-vulnerability-in-cicool-builder-3-4-4\/\"  data-wpil-monitor-id=\"81766\">password reset<\/a> link to the given email address. However, due to the manipulated Host header, the reset link actually points back to the attacker-controlled server, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46835-high-risk-vulnerability-in-git-gui-allows-unauthorized-file-overwrite\/\"  data-wpil-monitor-id=\"67923\">allowing the attacker to reset the password and gain unauthorized<\/a> access to the victim&#8217;s account.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The immediate mitigation for this vulnerability is to apply the vendor&#8217;s patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. Ultimately, it is highly recommended to configure the SERVER_NAME properly to prevent such attacks in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview We are taking a closer look at the notable vulnerability CVE-2025-43931, a serious security weakness in the flask-boilerplate software. This vulnerability poses a significant risk to any system running versions of flask-boilerplate up to a170e7c, as it could potentially allow unauthorized attackers to take over user accounts through the password reset feature. This is [&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-59363","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\/59363","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=59363"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59363\/revisions"}],"predecessor-version":[{"id":80777,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59363\/revisions\/80777"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59363"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59363"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59363"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59363"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59363"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59363"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}