Overview
The cybersecurity world is faced with a new vulnerability, CVE-2025-54454, affecting Samsung’s MagicINFO 9 Server. This is a crucial vulnerability that leverages the use of hard-coded credentials, enabling an attacker to bypass authentication. Its impact is massive, potentially leading to system compromise or data leakage. It is particularly significant because MagicINFO 9 Server is a widely-used digital signage solution, and any security lapses can have far-reaching implications.
Vulnerability Summary
CVE ID: CVE-2025-54454
Severity: Critical (9.1 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
Samsung MagicINFO 9 Server | Less than 21.1080.0
How the Exploit Works
This vulnerability stems from the use of hard-coded credentials within the application’s code. Typically, this is a serious security flaw as it allows anyone who can read the application’s code to gain unauthorized access. In the case of CVE-2025-54454, it allows an attacker to bypass authentication mechanisms. This can be achieved remotely over a network without requiring any user interaction or special privileges.
Conceptual Example Code
Here’s a hypothetical example of how an attacker might exploit this vulnerability. This is not a real exploit code but serves to illustrate the concept:
GET /login HTTP/1.1
Host: target.example.com
Authorization: Basic [Insert Hard-coded Base64 Encoded Username:Password Here]In this conceptual example, the attacker sends a GET request to the login end-point of the target server. The Authorization header contains the hardcoded credentials, encoded in Base64, granting the attacker unauthorized access.
Mitigation Measures
The best way to mitigate this vulnerability is by applying the vendor’s patch. Samsung has released a patch for MagicINFO 9 Server version 21.1080.0 that fixes this vulnerability. If a patch cannot be applied immediately, a temporary mitigation can be achieved using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to block or alert on suspicious activity. However, these are merely temporary solutions and do not provide a complete fix. Therefore, it is highly recommended that the official patch be applied as soon as possible.