Overview
The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-52827, within uxper Nuss. This vulnerability, involving the deserialization of untrusted data, presents a significant risk to any system that utilizes the affected versions of Nuss. Uncontrolled deserialization often leads to remote code execution, opening the door for potential system compromise or leakage of sensitive data. The impact of such a vulnerability cannot be overstated, making immediate attention to mitigation and patching essential.
Vulnerability Summary
CVE ID: CVE-2025-52827
Severity: Critical (8.8 CVSS Severity Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
uxper Nuss | n/a through 1.3.3
How the Exploit Works
The vulnerability arises from Nuss’s handling of serialized objects. When an attacker provides serialized data, the system deserializes it without proper validation or sanitization. This allows an attacker to manipulate the serialized data to execute arbitrary code or inject malicious objects, leading to potential system compromise or data leakage.
Conceptual Example Code
Below is a conceptual example of an HTTP request that an attacker might use to exploit the vulnerability:
POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "serialized_object": "rO0ABXNyACNvcmcuYXBhY2hlLmNvbW1vbnMuY29sbGVjdGlvbnMua2V5dmFsdWUuVGllZE1hcE.........." }In this example, the “serialized_object” field contains a base64 encoded serialized object. If the system deserializes this object without proper validation, it could lead to arbitrary code execution or object injection.
Impact and Mitigation
The successful exploitation of this vulnerability could lead to system compromise or data leakage. Organizations using the affected versions of Nuss are strongly advised to apply the vendor-supplied patch immediately. As a temporary mitigation, organizations can also use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block malicious serialized objects. However, these are not long-term solutions, and applying the patch should be the ultimate goal.