CVE-2024-22771 in DVR LGUVR-4H
Summary
by MITRE • 01/23/2024
Improper Input Validation in Hitron Systems DVR LGUVR-4H 1.02~4.02 allows an attacker to cause network attack in case of using defalut admin ID/PW.
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Analysis
by VulDB Data Team • 12/31/2025
The vulnerability identified as CVE-2024-22771 represents a critical improper input validation flaw within Hitron Systems DVR LGUVR-4H firmware versions 1.02 through 4.02. This vulnerability specifically targets the device's authentication mechanism and network security controls, creating a significant attack surface that adversaries can exploit to gain unauthorized access to the system. The issue stems from insufficient validation of user inputs during the authentication process, which allows attackers to manipulate the system's login mechanisms and potentially execute malicious network operations. The vulnerability is particularly concerning because it leverages default administrative credentials, which are often left unchanged by users and administrators in deployed environments, creating a persistent security risk.
The technical implementation of this vulnerability involves the failure to properly validate input parameters during the authentication process within the DVR system. When default administrative credentials are used, the system does not adequately sanitize or validate the input data, allowing attackers to bypass normal authentication procedures. This weakness creates an opportunity for attackers to perform unauthorized network operations, potentially including remote code execution, data exfiltration, or network reconnaissance activities. The vulnerability can be exploited through network-based attacks where an attacker can send malformed input to the authentication endpoint, causing the system to accept unauthorized access attempts. This flaw aligns with CWE-20, which specifically addresses improper input validation as a fundamental security weakness that can lead to various downstream security issues.
The operational impact of CVE-2024-22771 extends beyond simple unauthorized access, as it can enable attackers to establish persistent network footholds within security-sensitive environments. Organizations deploying Hitron Systems DVR LGUVR-4H devices face significant risks when default credentials remain unchanged, as these systems often serve as critical components in surveillance and security infrastructure. Attackers can leverage this vulnerability to conduct network reconnaissance, escalate privileges, or potentially compromise other systems within the same network segment. The vulnerability's exploitation can result in complete system compromise, allowing adversaries to view, modify, or delete stored video footage, manipulate system configurations, or use the device as a pivot point for attacking other networked systems. This represents a clear violation of the principle of least privilege and can severely impact the integrity and confidentiality of security-critical surveillance data.
Mitigation strategies for CVE-2024-22771 must prioritize immediate credential management and system hardening measures. Organizations should immediately change default administrative credentials to strong, unique passwords and implement multi-factor authentication where possible. Network segmentation and access controls should be implemented to limit exposure of these devices to unauthorized network access. The system firmware should be updated to the latest available version that addresses this vulnerability, as Hitron Systems has likely released patches to resolve the improper input validation issue. Security monitoring should be enhanced to detect unusual authentication patterns or network traffic originating from these devices. Additionally, regular security audits should be conducted to ensure that default credentials have not been left enabled and that proper input validation mechanisms are in place. This vulnerability demonstrates the critical importance of following security best practices such as those outlined in the NIST Cybersecurity Framework and aligns with ATT&CK technique T1110 which covers credential access methods that exploit weak authentication mechanisms. The vulnerability also underscores the need for proper software development practices that emphasize input validation and secure coding standards to prevent similar issues in future implementations.