CVE-2026-83343 in Utilities Network Management System
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Utilities Network Management System product of Oracle Utilities Applications (component: System Wide). Supported versions that are affected are 2.5.0.2.0-2.5.0.2.13, 2.6.0.1.0-2.6.0.12B, 2.6.0.2.0-2.6.0.2.10A and 25.12.0.0.0-25.12.0.0.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Utilities Network Management System. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Utilities Network Management System accessible data as well as unauthorized update, insert or delete access to some of Oracle Utilities Network Management System accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The Oracle Utilities Network Management System, a critical component within the Oracle Utilities Applications suite, has been identified with a significant security flaw in its core system-wide functionality. This vulnerability affects multiple supported versions of the software, specifically ranging from version 2.5.0.2.0 through 2.5.0.2.13, as well as subsequent releases including 2.6.0.1.0 to 2.6.0.12B, 2.6.0.2.0 to 2.6.0.2.10A, and the newer 25.12.0.0.0 series up to version 25.12.0.0.3. The nature of this flaw is particularly concerning because it allows for exploitation by an unauthenticated attacker who requires only network access via HTTP to initiate a compromise. This lack of authentication requirement significantly lowers the barrier to entry for malicious actors, enabling remote code execution or data manipulation without prior credentials.
From a technical perspective, the vulnerability stems from insufficient input validation and authorization checks within the system-wide components that handle incoming HTTP requests. An attacker can craft specific network packets designed to exploit these logic errors, bypassing standard security controls. The operational impact of such an exploitation is severe, leading directly to unauthorized access to critical data stored within the management system. Furthermore, successful attacks grant the adversary complete access to all accessible data managed by Oracle Utilities Network Management System. Beyond mere confidentiality breaches, the vulnerability also compromises integrity and availability aspects indirectly through unauthorized update, insert, or delete operations on sensitive datasets. This means that an attacker can not only view but also alter or destroy essential utility network configurations and operational records.
The severity of this issue is quantified by a CVSS 3.1 Base Score of 8.2, which classifies it as High Severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N) highlights that the attack vector is network-based with low complexity and requires no user interaction or privileges. While availability impacts are not directly scored in this specific metric, the ability to delete data inherently threatens system stability and operational continuity. In terms of industry-standard classification frameworks, this vulnerability aligns closely with CWE-287 Improper Authentication and CWE-918 SQL Injection if database manipulation is involved, though it broadly falls under CWE-601 URL Redirection to Untrusted Site or similar web application flaws depending on the exact mechanism. From a tactical standpoint in the MITRE ATT&CK framework, this behavior corresponds to techniques involving Initial Access via valid accounts or exploiting public-facing applications, specifically leveraging T1190 Exploit Public-Facing Application and potentially T1530 Data from Local System if local data exfiltration occurs post-compromise.
Mitigation strategies must be implemented immediately to address these risks. The primary recommendation is to apply the latest security patches provided by Oracle for all affected versions listed above. Organizations should verify their current software version against the supported ranges and prioritize updates for systems exposed to untrusted networks. In addition to patching, network segmentation plays a crucial role in limiting exposure; administrators should ensure that HTTP access to these management interfaces is restricted to trusted internal subnets using firewalls or reverse proxies with strict IP whitelisting. Implementing Web Application Firewalls can also help detect and block malicious payloads associated with this vulnerability before they reach the application layer. Continuous monitoring of system logs for anomalous HTTP requests and unauthorized data modifications will aid in early detection of any attempted exploitation activities.