CVE-2025-13050 in Web
Summary
by MITRE • 10/29/2026
Broken Function Level Authorization allows execution of poller post-restart commands by authenticated user
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Analysis
by VulDB Data Team • 10/29/2026
The vulnerability described constitutes a Broken Function Level Authorization flaw within the application's administrative interface, specifically targeting the functionality responsible for managing polling processes after system restarts. This type of security defect arises when an access control mechanism fails to adequately verify whether the currently authenticated user possesses the necessary privileges to execute specific administrative actions. In this context, while the endpoint or function requires authentication to prevent anonymous access, it lacks granular role-based checks that distinguish between standard users and those with elevated permissions such as administrators or system operators. Consequently, any valid credential holder can invoke commands intended exclusively for privileged roles, bypassing the intended security boundary designed to restrict high-impact operations to authorized personnel only.
From a technical perspective, this flaw typically stems from server-side logic that relies solely on the presence of an active session token rather than validating the user's role or group membership against the specific requirements of the requested function. When a post-restart poller command is triggered, the application processes the request without confirming if the initiating account has been granted explicit permission to modify polling configurations or restart services. This oversight allows attackers who have obtained valid credentials through phishing, credential stuffing, or other means to escalate their effective privileges within the application context. The ability to execute these commands can lead to significant operational disruptions, including service downtime, resource exhaustion due to misconfigured polling intervals, or potential remote code execution if the underlying poller mechanism interacts with system-level components in an unsafe manner.
The impact of this vulnerability extends beyond simple privilege escalation; it compromises the integrity and availability of critical monitoring infrastructure. Pollers are often central to network management systems, responsible for collecting data from various devices and services. Unauthorized modification or restart of these processes can disrupt visibility into network health, mask malicious activities by an attacker who has already gained access, or cause cascading failures in dependent systems that rely on consistent polling schedules. Furthermore, if the poller commands interact with underlying operating system functions or external APIs without proper sanitization, this authorization bypass could serve as a vector for more severe exploits, including command injection or denial of service attacks against critical infrastructure components.
To mitigate this risk, developers must implement strict function-level access controls that validate user roles before processing any administrative requests. This involves integrating role-based access control (RBAC) checks into the middleware or controller layer handling these specific endpoints, ensuring that only users with designated administrator privileges can invoke post-restart poller commands. Additionally, implementing multi-factor authentication for privileged accounts and auditing all changes to polling configurations can provide defense-in-depth measures. Regular security testing using automated vulnerability scanners and manual penetration tests focused on access control logic is essential to identify such gaps before deployment.
This vulnerability aligns with CWE-269, which classifies Improper Privilege Management as a category of weaknesses where software does not properly assign privileges or roles to actors. It also maps directly to the MITRE ATT&CK technique T1078, Valid Accounts, specifically within the context of privilege escalation and lateral movement phases in an attack lifecycle. By exploiting this flaw, an adversary can maintain persistence and expand their influence over the environment without needing to compromise additional credentials or exploit separate software vulnerabilities. Addressing this issue requires a comprehensive review of authentication and authorization flows across all administrative functions to ensure that least-privilege principles are strictly enforced at every level of interaction with sensitive system components.