{"id":29369,"date":"2025-04-23T00:48:56","date_gmt":"2025-04-23T00:48:56","guid":{"rendered":""},"modified":"2025-06-13T17:02:48","modified_gmt":"2025-06-13T23:02:48","slug":"cve-2025-3495-critical-security-vulnerability-in-delta-electronics-commgr-due-to-insufficiently-randomized-session-ids","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3495-critical-security-vulnerability-in-delta-electronics-commgr-due-to-insufficiently-randomized-session-ids\/","title":{"rendered":"<strong>CVE-2025-3495: Critical Security Vulnerability in Delta Electronics COMMGR Due to Insufficiently Randomized Session IDs<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this post, we delve into a recently reported critical vulnerability, identified as CVE-2025-3495, found in both versions 1 and 2 of Delta Electronics COMMGR. This vulnerability is a direct result of the application&#8217;s use of insufficiently randomized values when generating session IDs, thus making those session IDs susceptible to a brute force attack.<br \/>\nThe software in question, Delta Electronics COMMGR, is a widely used communication manager, and any security <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52304-stack-overflow-vulnerability-in-paddlepaddle-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"34035\">vulnerability within it has the potential<\/a> to affect a broad range of users, from individual consumers to large corporations. The high <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52307-high-severity-stack-overflow-vulnerability-in-paddlepaddle-prior-to-version-2-6-0\/\"  data-wpil-monitor-id=\"33933\">severity score of this vulnerability<\/a> (9.8 out of 10) underscores its significance and the potential damage it could cause if not promptly addressed.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3495<br \/>\nSeverity: Critical (9.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50350-broken-cryptographic-algorithm-leads-to-potential-data-leakage-in-hcl-dryice-myxalytics\/\"  data-wpil-monitor-id=\"33699\">potential data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3393294005\" 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-2025-22883-out-of-bounds-write-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57476\">Delta Electronics<\/a> COMMGR | v1, v2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability arises from the application&#8217;s lack of sufficient <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40072-high-risk-sql-injection-vulnerability-in-sourcecodester-online-id-generator-system-1-0\/\"  data-wpil-monitor-id=\"36226\">randomization<\/a> when generating session IDs. This makes the session IDs predictable and easily <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46739-unauthenticated-brute-force-attack-leads-to-account-compromise\/\"  data-wpil-monitor-id=\"46418\">brute-forcible by an attacker<\/a>. Once the attacker successfully guesses a session ID, they are essentially granted the same <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2563-privilege-escalation-vulnerability-in-user-registration-membership-wordpress-plugin\/\"  data-wpil-monitor-id=\"35845\">privileges as the user<\/a> associated with that session. This allows the attacker to not only access sensitive information but also <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21860-arbitrary-code-execution-vulnerability-in-openharmony\/\"  data-wpil-monitor-id=\"33848\">execute arbitrary code<\/a>, potentially compromising the entire system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-834346650\" 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>The following pseudocode serves as a conceptual example of how an attacker might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication\/\"  data-wpil-monitor-id=\"34952\">exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">import requests\ntarget_url = &quot;http:\/\/target.example.com\/login&quot;\nsession_id = &quot;predictable_session_id&quot;\nheaders = {\n&quot;Cookie&quot;: f&quot;session_id={session_id}&quot;\n}\n# Attempt to access the system using the predicted session ID\nresponse = requests.get(target_url, headers=headers)\nif response.status_code == 200:\nprint(&quot;Successful login!&quot;)\n# Proceed with malicious activities\nelse:\nprint(&quot;Failed login attempt. Try another session ID.&quot;)<\/code><\/pre>\n<p>In this example, the attacker has predicted the session ID (`predictable_session_id`) and uses it to try to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47663-unauthenticated-remote-attacker-gaining-full-access-due-to-improper-json-web-tokens-implementation\/\"  data-wpil-monitor-id=\"41615\">gain access<\/a> to the system. If the guessed session ID is correct, the attacker can then proceed with their malicious activities.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To rectify this vulnerability, <a href=\"https:\/\/www.ameeba.com\/blog\/unmasking-the-latest-google-user-scams-a-deep-dive-into-cybersecurity-threats-and-mitigation\/\"  data-wpil-monitor-id=\"41616\">users are advised to apply the latest<\/a> vendor-provided patch. If a patch is not yet available or cannot be implemented immediately, employing a web application firewall (WAF) or intrusion detection system (IDS) can serve as a temporary mitigation strategy. Regularly monitor your system&#8217;s logs and set up alerts for any suspicious activities or repeated failed login attempts to detect any <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-53591-brute-force-authentication-bypass-in-seclore-v3-27-5-0\/\"  data-wpil-monitor-id=\"37559\">brute force<\/a> attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this post, we delve into a recently reported critical vulnerability, identified as CVE-2025-3495, found in both versions 1 and 2 of Delta Electronics COMMGR. This vulnerability is a direct result of the application&#8217;s use of insufficiently randomized values when generating session IDs, thus making those session IDs susceptible to a brute force attack. [&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-29369","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\/29369","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=29369"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/29369\/revisions"}],"predecessor-version":[{"id":51341,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/29369\/revisions\/51341"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=29369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=29369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=29369"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=29369"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=29369"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=29369"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=29369"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=29369"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=29369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}