CVE-2023-47565
Published: December 21, 2023
Official Description
QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.
CISA KEV Advisory
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.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
QNAP VioStar NVR devices are susceptible to an OS command injection vulnerability, allowing authenticated users to execute commands over the network. The high EPSS score of 0.85967 indicates a very high likelihood of exploitation, requiring immediate attention.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its active use by threat actors.
Apply the latest security updates from QNAP for VioStar NVR. Implement strong authentication and restrict network access to these devices.
Technical Analysis
CVE-2023-47565 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-47565 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-47565 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1