{"id":28162,"date":"2025-04-21T05:29:49","date_gmt":"2025-04-21T05:29:49","guid":{"rendered":""},"modified":"2025-08-08T17:05:12","modified_gmt":"2025-08-08T23:05:12","slug":"cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication\/","title":{"rendered":"<strong>CVE-2023-50123: Exploitable Vulnerability in Hozard Alarm System SMS Authentication<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the realm of cybersecurity, one type of vulnerability that raises significant concern is that which can lead to a potential system compromise or data leakage. This is the situation with CVE-2023-50123, a newly discovered vulnerability in the Hozard Alarm system (alarmsystemen) v1.0. This vulnerability is particularly worrisome given the nature of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37297-vulnerability-in-ami-s-spx-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"33395\">Hozard Alarm<\/a> system, which is typically relied upon to provide security for homes, businesses and other high-value premises. It&#8217;s a <a href=\"https:\/\/www.ameeba.com\/blog\/oracle-cloud-breach-a-stark-reminder-of-the-necessity-for-robust-cybersecurity-measures\/\"  data-wpil-monitor-id=\"33396\">stark reminder<\/a> that even the tools we use to protect ourselves can become attack vectors if not properly secured.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-50123<br \/>\nSeverity: High (CVSS: 8.1)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23391-incorrect-privilege-assignment-in-suse-rancher-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"33066\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-478925777\" 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>Hozard Alarm System | v1.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-46805-authentication-bypass-vulnerability-in-ivanti-ics-and-ivanti-policy-secure\/\"  data-wpil-monitor-id=\"33870\">Hozard Alarm system v1.0 centers on the SMS<\/a> authentication process. The system does not limit the number of attempts to bring it to a disarmed state. This lack of limitation opens the door for an attacker to perform a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-53591-brute-force-authentication-bypass-in-seclore-v3-27-5-0\/\"  data-wpil-monitor-id=\"37556\">brute force attack on the SMS authentication<\/a> mechanism. By continually attempting different codes, an attacker can eventually stumble upon the correct <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29017-remote-code-execution-in-code-astro-internet-banking-system-2-0-0\/\"  data-wpil-monitor-id=\"32844\">code and disarm the system<\/a>. This leaves the premises unprotected and allows the attacker to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-5881-unauthorized-access-vulnerability-in-the-genie-company-aladdin-connect\/\"  data-wpil-monitor-id=\"33997\">unauthorized access<\/a> without triggering the alarm.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4052944785\" 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>While this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42970-use-after-free-vulnerability-in-multiple-apple-platforms-may-lead-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"33025\">vulnerability does not involve code<\/a> execution, the concept of the attack can be illustrated with pseudocode:<\/p>\n<pre><code class=\"\" data-line=\"\"># Pseudocode for Brute Force Attack on Hozard Alarm System\nfor attempt in range(MAX_ATTEMPTS):\n# Generate a new code to try\ncode = generate_random_code()\n# Send the code as an SMS to the alarm system\nsend_sms(alarm_system_number, code)\n# Check the response to see if the system was disarmed\nif check_response():\nprint(&quot;System disarmed on attempt #&quot;, attempt)\nbreak<\/code><\/pre>\n<p>In the above pseudocode, an attacker generates random codes and sends them as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40072-high-risk-sql-injection-vulnerability-in-sourcecodester-online-id-generator-system-1-0\/\"  data-wpil-monitor-id=\"36225\">SMS messages to the alarm<\/a> system. This process continues until the correct <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46661-unauthenticated-remote-code-execution-vulnerability-in-ipw-systems-metazo\/\"  data-wpil-monitor-id=\"40723\">code is found and the system<\/a> is disarmed.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The most effective <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43971-critical-vulnerability-in-gobgp-paving-the-way-for-system-compromise\/\"  data-wpil-monitor-id=\"40115\">way to mitigate this vulnerability<\/a> is by applying the vendor&#8217;s patch. The patch addresses this issue by implementing a limit on the number of attempts that can be made to disarm the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45746-unauthorized-system-access-via-hardcoded-jwt-secret-in-zkt-zkbio-cvsecurity\/\"  data-wpil-monitor-id=\"48918\">system via<\/a> SMS.<br \/>\nIn the absence of a patch, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. These tools can detect and block suspicious activities, such as an unusually high number of SMS messages being sent to the alarm system, thereby preventing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7393-critical-brute-force-vulnerability-in-drupal-mail-login\/\"  data-wpil-monitor-id=\"69398\">brute force<\/a> attack.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the realm of cybersecurity, one type of vulnerability that raises significant concern is that which can lead to a potential system compromise or data leakage. This is the situation with CVE-2023-50123, a newly discovered vulnerability in the Hozard Alarm system (alarmsystemen) v1.0. This vulnerability is particularly worrisome given the nature of the Hozard [&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-28162","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\/28162","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=28162"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/28162\/revisions"}],"predecessor-version":[{"id":62482,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/28162\/revisions\/62482"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=28162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=28162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=28162"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=28162"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=28162"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=28162"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=28162"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=28162"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=28162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}