![]() Locate control system networks and remote devices behind firewalls and isolating them from business networks. ![]() Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.QNAP has stated that QVR Firmware 5.x and 4.x are both end of life.įor more information, see QNAP's security advisory.įor more information, contact QNAP Support.ĬISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: QNAP has provided that users should download and apply the latest QVR Firmware. CRITICAL INFRASTRUCTURE SECTORS: Commercial FacilitiesĬhad Seaman and Larry Cashdollar of Akamai Technologies reported this vulnerability to CISA.A CVSS v3.1 base score of 8.0 has been calculated the CVSS vector string is ( AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). This could result in remote code execution.ĬVE-2023-47565 has been assigned to this vulnerability. QNAP VioStor NVR versions prior to QVR Firmware 4.x are vulnerable to an OS command injection vulnerability that may allow an attacker to modify NTP settings in the device. VioStor NVR QVR firmware: All versions prior to 4.xģ.2.1 IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN OS COMMAND ('OS COMMAND INJECTION') CWE-78.The following versions of QNAP VioStor NVR, are affected: Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution by exploiting NTP settings. ATTENTION: Exploitable remotely/low attack complexity/public exploits are available/known public exploitation.
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