{"id":64170,"date":"2025-08-19T14:57:04","date_gmt":"2025-08-19T14:57:04","guid":{"rendered":""},"modified":"2025-10-10T11:20:35","modified_gmt":"2025-10-10T17:20:35","slug":"cve-2025-25256-a-critical-os-command-injection-vulnerability-in-fortinet-fortisiem","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-25256-a-critical-os-command-injection-vulnerability-in-fortinet-fortisiem\/","title":{"rendered":"<strong>CVE-2025-25256: A Critical OS Command Injection Vulnerability in Fortinet FortiSIEM<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the sphere of cybersecurity, a new vulnerability has surfaced that threatens the security of Fortinet FortiSIEM users. Identified as CVE-2025-25256, this vulnerability is due to an improper neutralization of special elements used in an OS command, generally known as &#8216;OS Command Injection&#8217;. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30327-integer-overflow-vulnerability-in-incopy-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"73681\">vulnerability has the potential<\/a> to affect a wide range of versions of the Fortinet FortiSIEM, making it an urgent issue that requires immediate attention. Essentially, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53825-unauthenticated-preview-deployment-vulnerability-in-dokploy\/\"  data-wpil-monitor-id=\"71996\">vulnerability could enable an unauthenticated<\/a> attacker to execute unauthorized code or commands, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-25256<br \/>\nSeverity: Critical (CVSS: 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27050-memory-corruption-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"74954\">System compromise and potential data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1442867040\" 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>Fortinet FortiSIEM | 7.3.0 through 7.3.1<br \/>\nFortinet FortiSIEM | 7.2.0 through 7.2.5<br \/>\nFortinet FortiSIEM | 7.1.0 through 7.1.7<br \/>\nFortinet FortiSIEM | 7.0.0 through 7.0.3<br \/>\nFortinet FortiSIEM | Before 6.7.9<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-59458-jetbrains-junie-code-execution-vulnerability-through-improper-command-validation\/\"  data-wpil-monitor-id=\"89583\">improper neutralization of special elements used in an OS command<\/a> in Fortinet FortiSIEM. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9408-server-side-request-forgery-attack-in-eclipse-glassfish\/\"  data-wpil-monitor-id=\"77382\">attacker can send a specially crafted CLI request<\/a> that includes malicious code. Because the system does not properly neutralize these special elements, the code is executed, giving the attacker the ability to execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73146\">unauthorized commands or code<\/a>. This execution could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27043-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75042\">potentially result in system<\/a> compromise or leakage of sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-458430368\" 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>Here&#8217;s a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52797-critical-cross-site-request-forgery-csrf-vulnerability-in-josepsitjar-storymap\/\"  data-wpil-monitor-id=\"79358\">vulnerability might be exploited through a CLI request:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\">$ ssh -l unprivileged_user target.example.com\npassword: \n&lt;strong&gt;&lt;\/strong&gt;\n\n&lt;strong&gt;&lt;\/strong&gt;\n\n$ echo [malicious_payload] | bash<\/code><\/pre>\n<p>In this conceptual example, the attacker uses SSH to connect to the target system. They then input the malicious payload into the bash shell. If the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27046-critical-memory-corruption-vulnerability-threatening-system-integrity\/\"  data-wpil-monitor-id=\"75041\">system is vulnerable<\/a> to CVE-2025-25256, it doesn&#8217;t properly neutralize the special elements in the command and executes the malicious payload.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the sphere of cybersecurity, a new vulnerability has surfaced that threatens the security of Fortinet FortiSIEM users. Identified as CVE-2025-25256, this vulnerability is due to an improper neutralization of special elements used in an OS command, generally known as &#8216;OS Command Injection&#8217;. This vulnerability has the potential to affect a wide range of [&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":[105],"product":[],"attack_vector":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64170","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-fortinet","attack_vector-injection"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64170","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=64170"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64170\/revisions"}],"predecessor-version":[{"id":82431,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64170\/revisions\/82431"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64170"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64170"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64170"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64170"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64170"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64170"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}