{"id":37890,"date":"2025-05-13T19:34:34","date_gmt":"2025-05-13T19:34:34","guid":{"rendered":""},"modified":"2025-08-07T23:27:55","modified_gmt":"2025-08-08T05:27:55","slug":"cve-2025-2776-unauthenticated-xxe-vulnerability-in-sysaid-on-prem-leading-to-admin-account-takeover","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2776-unauthenticated-xxe-vulnerability-in-sysaid-on-prem-leading-to-admin-account-takeover\/","title":{"rendered":"<strong>CVE-2025-2776: Unauthenticated XXE Vulnerability in SysAid On-Prem Leading to Admin Account Takeover<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly evolving, with danger lurking in the most unexpected places. One such threat is CVE-2025-2776, an unauthenticated XML External Entity (XXE) vulnerability in SysAid On-Prem. This vulnerability, which is present in versions up to and including 23.3.40, has the potential to allow an attacker to take over an administrator <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4050-heap-corruption-in-google-chrome-devtools-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"43060\">account<\/a> and read files in the system.<br \/>\nThis vulnerability is particularly concerning because <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3708-sql-injection-vulnerability-in-le-show-medical-practice-management-system\/\"  data-wpil-monitor-id=\"42753\">SysAid On-Prem<\/a> is used by many organizations for IT service management. Therefore, an exploit could not only <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30165-potential-system-compromise-in-vllm-v0-engine\/\"  data-wpil-monitor-id=\"44039\">compromise the security of individual systems<\/a>, but also potentially impact the entire IT operations of affected organizations.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-2776<br \/>\nSeverity: Critical (9.3 CVSS score)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Administrator account takeover, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49129-stack-overflow-vulnerability-in-solid-edge-se2023-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"43538\">potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2310265879\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2775-unauthenticated-xxe-vulnerability-in-sysaid-on-prem-versions-leading-to-administrator-account-takeover\/\"  data-wpil-monitor-id=\"43813\">SysAid On-Prem<\/a> |<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>An attacker exploiting CVE-2025-2776 would manipulate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24522-unauthenticated-remote-access-to-node-red-server-in-kunbus-revolution-pi-os-bookworm\/\"  data-wpil-monitor-id=\"42779\">Server URL processing functionality in SysAid On-Prem through an unauthenticated<\/a> XML External Entity (XXE) injection. By sending a malicious XML payload, the attacker could force the software to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37419-critical-arbitrary-code-execution-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"42683\">execute arbitrary code<\/a> or access arbitrary files, potentially leading to an administrator account takeover. This could then be leveraged to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4372-webaudio-heap-corruption-in-google-chrome-a-potential-gateway-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"43814\">compromise the system or leak sensitive data<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1089700484\" 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 exploiting this vulnerability, where the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7766-xml-external-entity-attack-on-lantronix-provisioning-manager\/\"  data-wpil-monitor-id=\"68279\">attacker sends a malicious XML<\/a> payload to the server:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/sysaid\/api\/server HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/xml\n&lt;!DOCTYPE foo [ &lt;!ENTITY xxe SYSTEM &quot;file:\/\/\/etc\/passwd&quot;&gt; ]&gt;\n&lt;request&gt;\n&lt;serverURL&gt;&amp;xxe;&lt;\/serverURL&gt;\n&lt;\/request&gt;<\/code><\/pre>\n<p>In this example, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2777-unauthenticated-xml-external-entity-xxe-vulnerability-in-sysaid-on-prem\/\"  data-wpil-monitor-id=\"43852\">XML payload contains an entity<\/a> (`&xxe;`) that forces the server to read a sensitive file (`\/etc\/passwd`). If the attack is successful, the server will return the contents of the file in the response, revealing <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46633-cleartext-transmission-of-sensitive-information-in-tenda-rx2-pro\/\"  data-wpil-monitor-id=\"42803\">sensitive information<\/a> that could be used for further exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly evolving, with danger lurking in the most unexpected places. One such threat is CVE-2025-2776, an unauthenticated XML External Entity (XXE) vulnerability in SysAid On-Prem. This vulnerability, which is present in versions up to and including 23.3.40, has the potential to allow an attacker to take over an administrator account [&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-37890","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\/37890","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=37890"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37890\/revisions"}],"predecessor-version":[{"id":61720,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37890\/revisions\/61720"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37890"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37890"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37890"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37890"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37890"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37890"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}