CVE-2025-48979 in UISP Application
Summary
by MITRE • 08/29/2025
An Improper Input Validation in UISP Application could allow a Command Injection by a malicious actor with High Privileges and local access.
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Analysis
by VulDB Data Team • 08/29/2025
The vulnerability identified as CVE-2025-48979 represents a critical security flaw within the UISP application ecosystem that stems from inadequate input validation mechanisms. This weakness specifically manifests in the application's handling of user-supplied data within command execution contexts, creating a pathway for malicious actors to inject and execute arbitrary commands on the underlying system. The vulnerability requires an attacker to possess high privileges and local access to the system, indicating that it operates within a trusted environment where privilege escalation or lateral movement has already occurred. This prerequisite significantly reduces the attack surface but does not eliminate the severity of the potential impact.
The technical exploitation of this vulnerability occurs through improper validation of input parameters that are subsequently used in command construction or execution within the application's backend processes. When the UISP application receives input from users, particularly those with elevated privileges, it fails to adequately sanitize or validate the data before incorporating it into system commands. This allows an attacker to craft malicious input that, when processed, results in unintended command execution. The flaw aligns with CWE-77 and CWE-94 categories, which specifically address command injection vulnerabilities and improper input validation respectively. These weaknesses enable attackers to bypass normal access controls and execute arbitrary code with the privileges of the compromised application, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple command execution, as it can provide attackers with persistent access to the system and enable further exploitation within the network environment. An attacker with high privileges and local access can leverage this vulnerability to escalate their privileges further, access sensitive data, modify system configurations, or establish backdoor access for continued presence. The vulnerability's presence in a system management application like UISP creates particular risk as it may provide access to critical network infrastructure management functions, potentially enabling attackers to manipulate network configurations, disable security controls, or compromise the integrity of the entire network management system. This aligns with ATT&CK technique T1059 which covers command and scripting interpreter, and T1566 which covers credential access through exploitation of system vulnerabilities.
Mitigation strategies for CVE-2025-48979 should focus on implementing robust input validation and sanitization mechanisms throughout the application's codebase, particularly in areas where user input is processed for system command execution. Organizations should deploy comprehensive monitoring and logging solutions to detect anomalous command execution patterns that may indicate exploitation attempts. The implementation of principle of least privilege should be reinforced, ensuring that even with high privileges, users cannot execute arbitrary commands without proper authorization and validation. Additionally, regular security code reviews and penetration testing should be conducted to identify similar validation weaknesses in other parts of the application. System hardening measures including disabling unnecessary services, implementing network segmentation, and maintaining up-to-date security patches should also be employed. The vulnerability highlights the critical importance of secure coding practices and input validation as fundamental defense mechanisms against command injection attacks.