{"id":86639,"date":"2026-03-08T18:45:54","date_gmt":"2026-03-08T18:45:54","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-52804-missing-authorization-vulnerability-in-uxper-nuss-leading-to-accessing-functionality-not-properly-constrained-by-acls","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-52804-missing-authorization-vulnerability-in-uxper-nuss-leading-to-accessing-functionality-not-properly-constrained-by-acls\/","title":{"rendered":"CVE-2025-52804: Missing Authorization Vulnerability in uxper Nuss Leading to Accessing Functionality Not Properly Constrained by ACLs<\/strong>"},"content":{"rendered":"

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

The CVE-2025-52804 is a critical security vulnerability that affects the uxper Nuss software. It stems from an absence of proper authorization that can potentially allow an attacker to access functionalities that are not properly constrained by Access Control Lists (ACLs). This vulnerability is of significant concern as it can lead to a system compromise or data leakage.<\/p>\n

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

CVE ID: CVE-2025-52804
\nSeverity: High (7.5 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

uxper Nuss | n\/a through 1.3.3<\/p>\n

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

The vulnerability arises from the uxper Nuss software’s improper implementation of ACLs, leading to a missing authorization check. An attacker can exploit this flaw by sending specially crafted requests to the system, gaining access to functionalities that should have been restricted. This can potentially result in unauthorized actions, leading to system compromise or data leakage.<\/p>\n

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

Here is a conceptual example of how this vulnerability might be exploited:<\/p>\n

POST \/unauthorized_access HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"exploit_code\": \"Access_not_properly_restricted_by_ACLs\" }<\/code><\/pre>\n
In this example, an attacker makes a POST request to an unauthorized endpoint (`\/unauthorized_access`) with a malicious JSON payload designed to exploit the missing authorization vulnerability in the uxper Nuss software.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, users are strongly advised to apply the vendor’s patch once it is available. As a temporary measure, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help to prevent the successful exploitation of this vulnerability. Regularly monitoring and updating security systems is also recommended to protect against such security threats.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2025-52804 is a critical security vulnerability that affects the uxper Nuss software. It stems from an absence of proper authorization that can potentially allow an attacker to access functionalities that are not properly constrained by Access Control Lists (ACLs). This vulnerability is of significant concern as it can lead to a system compromise […]<\/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-86639","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