{"id":53241,"date":"2025-06-18T04:28:57","date_gmt":"2025-06-18T04:28:57","guid":{"rendered":""},"modified":"2025-09-16T05:56:05","modified_gmt":"2025-09-16T11:56:05","slug":"cve-2025-33053-a-critical-vulnerability-enabling-external-control-of-file-name-or-path-in-webdav","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-33053-a-critical-vulnerability-enabling-external-control-of-file-name-or-path-in-webdav\/","title":{"rendered":"<strong>CVE-2025-33053: A Critical Vulnerability Enabling External Control of File Name or Path in WebDAV<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly evolving, and keeping up with the latest threats is crucial for maintaining a robust defense. A recent vulnerability, identified as CVE-2025-33053, has been discovered that affects WebDAV, a set of HTTP extensions used for collaborative management of files on web servers. This critical vulnerability allows an unauthorized attacker to exercise external control over a file name or path, potentially leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1079-client-remote-code-execution-via-improper-symbolic-link-resolution-in-google-web-designer\/\"  data-wpil-monitor-id=\"59573\">code execution<\/a> over a network. Given the severity and widespread use of WebDAV, understanding and mitigating this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4954-critical-file-upload-vulnerability-in-axle-demo-importer-wordpress-plugin\/\"  data-wpil-monitor-id=\"60703\">vulnerability is of utmost importance<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-33053<br \/>\nSeverity: Critical (CVSS Score: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59664\">Potential system compromise<\/a> and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-294258472\" 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>WebDAV | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61955\">versions prior<\/a> to patch<br \/>\nApache HTTP Server | <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"77955\">Versions 2.4.39 and prior<\/a><br \/>\nMicrosoft IIS | <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46715-kernel-pointer-vulnerability-in-sandboxie-versions-prior-to-1-15-12\/\"  data-wpil-monitor-id=\"82801\">Versions 10.0 and prior<\/a><\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This vulnerability stems from improper <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24274-input-validation-issue-exploitable-via-malicious-app-on-macos\/\"  data-wpil-monitor-id=\"59594\">validation of user-supplied input<\/a> within the WebDAV protocol. When an attacker crafts a malicious request to a WebDAV server, they can manipulate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39475-path-traversal-vulnerability-leading-to-php-local-file-inclusion-in-frenify-arlo\/\"  data-wpil-monitor-id=\"62030\">file name or path<\/a> that the server interacts with. This allows the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3835-remote-code-execution-vulnerability-in-zohocorp-manageengine-exchange-reporter-plus\/\"  data-wpil-monitor-id=\"59862\">execute arbitrary code<\/a> on the server, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4112497411\" 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 the following conceptual example of the vulnerability being exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">PROPFIND \/ HTTP\/1.1\nHost: target.example.com\nDepth: 1\nContent-Type: text\/xml; charset=&quot;utf-8&quot;\n&lt;?xml version=&quot;1.0&quot;?&gt;\n&lt;a:propfind xmlns:a=&quot;DAV:&quot;&gt;\n&lt;a:prop&gt;\n&lt;a:getcontentlength\/&gt;\n&lt;a:getlastmodified\/&gt;\n&lt;a:resourcetype\/&gt;\n&lt;a:creationdate\/&gt;\n&lt;a:getetag\/&gt;\n&lt;\/a:prop&gt;\n&lt;\/a:propfind&gt;<\/code><\/pre>\n<p>In this example, the PROPFIND method, which is used to retrieve <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36157-unauthorized-remote-server-property-file-modification-in-ibm-jazz-foundation\/\"  data-wpil-monitor-id=\"83047\">properties for a resource on a WebDAV server<\/a>, could be manipulated by an attacker. By exploiting the vulnerability, the attacker could potentially control the paths or filenames that the server interacts with, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21475-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"59908\">leading to potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Recommended Mitigation Strategies<\/strong><\/p>\n<p>To mitigate the risks associated with CVE-2025-33053, users are advised to apply the latest vendor-provided patches to their WebDAV servers. If a patch is not yet available or cannot be applied immediately, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. These can help to monitor the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52950-unauthorized-access-exploitation-in-juniper-networks-security-director\/\"  data-wpil-monitor-id=\"77956\">network for signs of any exploit<\/a> attempts and block malicious traffic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly evolving, and keeping up with the latest threats is crucial for maintaining a robust defense. A recent vulnerability, identified as CVE-2025-33053, has been discovered that affects WebDAV, a set of HTTP extensions used for collaborative management of files on web servers. This critical vulnerability allows an unauthorized attacker to [&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":[103,82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53241","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apache","vendor-microsoft"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53241","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=53241"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53241\/revisions"}],"predecessor-version":[{"id":75585,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53241\/revisions\/75585"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53241"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53241"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53241"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53241"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53241"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53241"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}