{"id":64285,"date":"2025-08-24T10:14:16","date_gmt":"2025-08-24T10:14:16","guid":{"rendered":""},"modified":"2025-09-28T20:51:12","modified_gmt":"2025-09-29T02:51:12","slug":"cve-2025-20148-arbitrary-html-injection-vulnerability-in-cisco-secure-firewall-management-center","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-20148-arbitrary-html-injection-vulnerability-in-cisco-secure-firewall-management-center\/","title":{"rendered":"<strong>CVE-2025-20148: Arbitrary HTML Injection Vulnerability in Cisco Secure Firewall Management Center<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity world is always in a state of flux, with new vulnerabilities surfacing every day. One such vulnerability, CVE-2025-20148, impacts the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software. This vulnerability can potentially allow an authenticated, remote attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28243-html-injection-vulnerability-in-alteryx-server\/\"  data-wpil-monitor-id=\"72291\">inject arbitrary HTML<\/a> content into a document generated by the device.<br \/>\nWhat makes this issue critical is its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74309\">potential to compromise systems<\/a> or leak sensitive data. With an CVSS severity score of 8.5, it&#8217;s a high-risk scenario that demands immediate attention from anyone using the affected products. This <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=\"73132\">vulnerability is particularly concerning as it allows<\/a> for a multitude of exploitations, including the alteration of document layouts and conducting server-side request forgery (SSRF) attacks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-20148<br \/>\nSeverity: High &#8211; 8.5 (CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: High (Security Analyst &#8211; Read Only)<br \/>\nUser Interaction: Required<br \/>\nImpact: System compromise, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72591\">Data leakage<\/a>, SSRF attacks<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3877861474\" 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-2025-20133-remote-access-ssl-vpn-vulnerability-in-cisco-secure-firewall-asa-software-and-secure-ftd-software\/\"  data-wpil-monitor-id=\"76825\">Cisco Secure Firewall<\/a> Management Center (FMC) Software | All Versions prior to the patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47982-improper-input-validation-vulnerability-in-windows-storage-vsp-driver-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"75561\">improper validation<\/a> of user-supplied data in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software. An attacker, with valid <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8857-unauthenticated-remote-access-due-to-hard-coded-credentials-in-clinic-image-system\/\"  data-wpil-monitor-id=\"86308\">access credentials<\/a>, can submit malicious content to the affected device. Once the device generates a document that contains this malicious content, it can cause a series of exploitations including the alteration of the standard layout of the device-generated documents, reading <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52239-arbitrary-file-upload-vulnerability-in-zkeacms-v4-1\/\"  data-wpil-monitor-id=\"74547\">arbitrary files<\/a> from the underlying operating system, and conducting SSRF attacks.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2837509026\" 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 vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/web-management\/interface HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/html\n&lt;html&gt;\n&lt;body&gt;\n&lt;script&gt;\n\/\/ Your malicious script here\n&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p>This payload, when processed by the affected device, can inject arbitrary HTML content into a document generated by the device, <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=\"73602\">leading to the potential<\/a> exploits outlined earlier.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity world is always in a state of flux, with new vulnerabilities surfacing every day. One such vulnerability, CVE-2025-20148, impacts the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software. This vulnerability can potentially allow an authenticated, remote attacker to inject arbitrary HTML content into a document generated by the device. [&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":[96],"product":[],"attack_vector":[101],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64285","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-cisco","attack_vector-ssrf"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64285","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=64285"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64285\/revisions"}],"predecessor-version":[{"id":79107,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64285\/revisions\/79107"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64285"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64285"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64285"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64285"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64285"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64285"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}