QNAP VioStor NVR OS Command Injection Vulnerability
QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.
An attacker, with a low-privilege account, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-01-11 under CISA BOD 22-01.
This is a OS Command Injection (CWE-78) vulnerability in QNAP VioStor NVR. An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later Exploitation requires adjacent_network access, low attack complexity, a low-privilege authenticated account, and no user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2023-12-21 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2024-01-11.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
References
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References