{"id":34221,"date":"2025-05-02T13:43:52","date_gmt":"2025-05-02T13:43:52","guid":{"rendered":""},"modified":"2025-09-28T05:55:03","modified_gmt":"2025-09-28T11:55:03","slug":"cve-2025-3928-unspecified-vulnerability-in-commvault-web-server-leading-to-potential-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3928-unspecified-vulnerability-in-commvault-web-server-leading-to-potential-system-compromise\/","title":{"rendered":"<strong>CVE-2025-3928: Unspecified Vulnerability in Commvault Web Server Leading to Potential System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability identified as CVE-2025-3928 has been discovered in the Commvault Web Server, a widely used software suite providing data protection and information management solutions. This vulnerability, if exploited, could allow a remote, authenticated attacker to potentially compromise systems or leak data. Given the wide use of Commvault&#8217;s products in businesses and organizations across the globe, this vulnerability could have far-reaching implications, affecting <a href=\"https:\/\/www.ameeba.com\/blog\/ai-data-security-guidance-a-crucial-move-by-agencies-in-cybersecurity\/\"  data-wpil-monitor-id=\"52379\">data integrity and security<\/a> on a large scale.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3928<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3914-potential-arbitrary-file-uploads-and-system-compromise-in-aeropage-sync-for-airtable-wordpress-plugin\/\"  data-wpil-monitor-id=\"40568\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3994921173\" 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>Commvault <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36535-unrestricted-remote-access-due-to-lack-of-web-server-authentication-and-access-controls\/\"  data-wpil-monitor-id=\"52753\">Web Server<\/a> | 11.20.217 and earlier versions<br \/>\nCommvault <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-57808-critical-vulnerability-in-esphome-web-server-authentication\/\"  data-wpil-monitor-id=\"86054\">Web Server<\/a> | 11.28.141 and earlier versions<br \/>\nCommvault Web Server | 11.32.89 and earlier versions<br \/>\nCommvault Web Server | 11.36.46 and earlier versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32829-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"38723\">vulnerability lies in the way the Commvault Web Server<\/a> handles user authentication and script execution. An attacker with valid credentials can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32432-remote-code-execution-vulnerability-in-craft-cms\/\"  data-wpil-monitor-id=\"40507\">craft malicious webshells and execute<\/a> them on the server, ultimately gaining unauthorized access to the system. The attacker can then exploit this access to compromise the <a href=\"https:\/\/www.ameeba.com\/blog\/ahold-delhaize-cyber-attack-unpacking-the-data-breach-and-its-implications\/\"  data-wpil-monitor-id=\"39176\">system<\/a> or leak sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3734888347\" 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>Consider this conceptual example of a malicious HTTP POST request that an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3200-unauthenticated-remote-attacker-exploiting-insecure-tls-protocols\/\"  data-wpil-monitor-id=\"40803\">attacker might use to exploit<\/a> the vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/commvault_script\/execute HTTP\/1.1\nHost: target.company.com\nContent-Type: application\/x-www-form-urlencoded\nAuthorization: Bearer {valid_auth_token}\n{ &quot;script&quot;: &quot;\/path\/to\/malicious\/webshell.sh&quot; }<\/code><\/pre>\n<p>In this example, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47663-unauthenticated-remote-attacker-gaining-full-access-due-to-improper-json-web-tokens-implementation\/\"  data-wpil-monitor-id=\"41613\">attacker uses a valid authentication token<\/a> (`valid_auth_token`) and sends a request to execute a malicious webshell script (`webshell.sh`) located on the server.<\/p>\n<p><strong>Prevention and Mitigation<\/strong><\/p>\n<p>To <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3319-an-authentication-bypass-vulnerability-in-ibm-spectrum-protect-server\/\"  data-wpil-monitor-id=\"64403\">protect against this vulnerability<\/a>, it is recommended to update the Commvault Web Server to versions 11.20.217, 11.28.141, 11.32.89, or 11.36.46 for Windows and Linux platforms. Until the update can be applied, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can offer temporary mitigation against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39074\">potential attacks exploiting this vulnerability<\/a>.<br \/>\nIn conclusion, CVE-2025-3928 is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23176-sql-injection-vulnerability-poses-serious-threat-to-data-security\/\"  data-wpil-monitor-id=\"39940\">serious vulnerability<\/a> that requires immediate attention. By keeping <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32953-security-vulnerability-in-z80pack-emulator-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"40416\">systems up-to-date and employing appropriate security<\/a> measures, organizations can protect their data and maintain the integrity of their systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability identified as CVE-2025-3928 has been discovered in the Commvault Web Server, a widely used software suite providing data protection and information management solutions. This vulnerability, if exploited, could allow a remote, authenticated attacker to potentially compromise systems or leak data. Given the wide use of Commvault&#8217;s products in businesses and organizations [&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":[88,82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-34221","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","vendor-microsoft"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34221","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=34221"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34221\/revisions"}],"predecessor-version":[{"id":78847,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34221\/revisions\/78847"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=34221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=34221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=34221"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=34221"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=34221"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=34221"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=34221"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=34221"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=34221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}