{"id":39150,"date":"2025-05-17T23:22:50","date_gmt":"2025-05-17T23:22:50","guid":{"rendered":""},"modified":"2025-07-07T11:08:52","modified_gmt":"2025-07-07T17:08:52","slug":"cve-2025-30436-siri-vulnerability-enabling-auto-answer-calls-on-locked-ios-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-30436-siri-vulnerability-enabling-auto-answer-calls-on-locked-ios-devices\/","title":{"rendered":"<strong>CVE-2025-30436: Siri Vulnerability Enabling Auto-Answer Calls on Locked iOS Devices<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In today&#8217;s digital age, cybersecurity has become a matter of paramount importance. With the increasing reliance on mobile devices, particularly Apple&#8217;s iOS and iPadOS, the need for substantial security measures is undeniable. However, even the most robust <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29972-server-side-request-forgery-vulnerability-in-azure-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"44757\">systems may have vulnerabilities<\/a>, such as the recently discovered CVE-2025-30436, which can have severe implications if exploited.<br \/>\nThe CVE-2025-30436 <a href=\"https:\/\/www.ameeba.com\/blog\/boosting-digital-security-leveraging-the-european-vulnerability-database-enisa\/\"  data-wpil-monitor-id=\"44923\">vulnerability is a serious security<\/a> issue affecting Apple&#8217;s iOS and iPadOS platforms. It allows attackers to manipulate Siri into enabling Auto-Answer Calls on locked devices, <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=\"43796\">potentially leading to system compromise or data<\/a> leakage. This vulnerability underscores the continuous need for vigilance in maintaining <a href=\"https:\/\/www.ameeba.com\/blog\/ireland-steps-up-in-global-cybersecurity-defense-an-in-depth-analysis\/\"  data-wpil-monitor-id=\"46668\">cybersecurity defenses<\/a> and ensuring that systems are patched with the latest security updates.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-30436<br \/>\nSeverity: Critical (CVSS: 9.1)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30165-potential-system-compromise-in-vllm-v0-engine\/\"  data-wpil-monitor-id=\"43994\">Potential system compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2102456814\" 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>Apple iOS | Prior to 18.4<br \/>\nApple iPadOS | Prior to 18.4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit hinges on leveraging Siri&#8217;s functionality on locked devices. The attacker initiates a request to Siri to enable Auto-Answer Calls. If successful, the attacker can then make a call to the compromised device, which will be automatically answered, granting the attacker <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-20599-unauthorized-access-to-crypto-co-processor-registers-in-asp-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"64265\">potential access<\/a> to any audio input or output from the device. This could potentially lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3921-unauthorized-modification-of-data-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"43911\">unauthorized eavesdropping or data<\/a> leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3461149661\" 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>While the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49132-a-critical-vulnerability-in-solid-edge-se2023-allowing-remote-code-execution\/\"  data-wpil-monitor-id=\"44119\">vulnerability is not exploited through traditional code<\/a>, the exploitation process could conceptually be represented as follows:<\/p>\n<pre><code class=\"\" data-line=\"\">BEGIN\nRequest Siri on target device: &quot;Enable Auto-Answer Calls&quot;\nIF request is successful\nInitiate call to target device\nIF call is auto-answered\nAccess to device&#039;s audio input\/output is granted\nEND IF\nEND IF\nEND<\/code><\/pre>\n<p>It&#8217;s important to note that the actual exploitation process would involve specific spoken <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6032-unverified-tls-certificate-in-podman-machine-init-command-leads-to-potential-man-in-the-middle-attack\/\"  data-wpil-monitor-id=\"64638\">commands and potentially<\/a> sophisticated voice manipulation techniques, rather than the simple programmatic approach outlined above.<br \/>\nThe mitigation for this vulnerability is straightforward: apply the vendor-supplied patch in iOS 18.4 or iPadOS 18.4. If this is not possible, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) could be used as a temporary mitigation strategy. However, these are not full-proof solutions and the best course of action is <a href=\"https:\/\/www.ameeba.com\/blog\/unpacking-politico-s-weekly-cybersecurity-update-a-deep-dive-into-the-latest-threat-landscape\/\"  data-wpil-monitor-id=\"50547\">updating the system to the latest<\/a> version.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In today&#8217;s digital age, cybersecurity has become a matter of paramount importance. With the increasing reliance on mobile devices, particularly Apple&#8217;s iOS and iPadOS, the need for substantial security measures is undeniable. However, even the most robust systems may have vulnerabilities, such as the recently discovered CVE-2025-30436, which can have severe implications if exploited. [&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":[77],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-39150","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39150","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=39150"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39150\/revisions"}],"predecessor-version":[{"id":58115,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39150\/revisions\/58115"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=39150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=39150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=39150"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=39150"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=39150"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=39150"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=39150"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=39150"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=39150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}