CVE-2019-6814 in Pelco Endura NET55XX Encoder
Summary
by MITRE
An Improper Access Control: CWE-284 vulnerability exists in the NET55XX Encoder with firmware prior to version 2.1.9.7 which could cause impact to confidentiality, integrity, and availability when a remote attacker crafts a malicious request to the encoder webUI.
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Analysis
by VulDB Data Team • 09/27/2025
The vulnerability identified as CVE-2019-6814 represents a critical improper access control flaw classified under CWE-284, affecting NET55XX video encoder devices running firmware versions prior to 2.1.9.7. This weakness stems from insufficient authorization mechanisms within the device's web user interface, creating a pathway for unauthorized remote attackers to exploit the system's security controls. The vulnerability specifically targets the encoder's web management interface, which serves as the primary administrative access point for configuring and monitoring the device's video encoding operations.
The technical implementation of this flaw allows remote attackers to craft malicious requests that bypass the intended authentication and authorization processes. When a user attempts to access the webUI, the system should verify proper credentials and permissions before granting access to administrative functions. However, the vulnerable firmware fails to properly validate these security checks, enabling attackers to potentially access restricted administrative features without proper authentication. This weakness directly impacts all three fundamental security principles: confidentiality through unauthorized data access, integrity by allowing modification of system configurations, and availability by potentially enabling denial-of-service conditions through malicious request crafting.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates a persistent security risk for organizations relying on these encoders for video surveillance and streaming applications. Attackers could potentially modify encoding parameters, access live video feeds, alter system configurations, or even cause service disruptions that would affect the availability of critical video infrastructure. The remote nature of the attack means that threat actors do not require physical access to the device, significantly expanding the attack surface and making the vulnerability particularly dangerous in networked environments where these encoders are commonly deployed.
Organizations affected by this vulnerability should immediately implement mitigation strategies including firmware updates to version 2.1.9.7 or later, which contain the necessary security patches to address the improper access control mechanisms. Network segmentation and firewall rules should be implemented to restrict access to the encoder's webUI to only trusted administrative networks and IP addresses. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all instances of affected devices within their infrastructure and implement monitoring solutions to detect potential exploitation attempts. The remediation process should also include reviewing and strengthening authentication mechanisms, implementing multi-factor authentication where possible, and establishing regular security audits of networked video equipment to prevent similar vulnerabilities from emerging in the future. This vulnerability aligns with ATT&CK techniques related to privilege escalation and unauthorized access, emphasizing the importance of proper access control implementation in networked security devices.