CVE-2023-47565 QNAP VioStor NVR: command or code injection
In plain words: The program treats text it receives as instructions instead of plain data. The attacker can run commands on the machine — often the whole device is taken over.
Confirmed exploited by CISA on · US federal patch deadline Jan 11, 2024
What to do
- Install QNAP's security update for VioStor NVR. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Turn on automatic firmware updates and replace gear the maker no longer supports.
- Change default passwords and switch off remote administration and features you do not use.
- Do not put storage boxes or cameras directly on the internet — use the maker's app or a VPN.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Taken over in bulk to join botnets, used to watch your traffic, or — for storage boxes — locked by ransomware.
The details
- Official name
- QNAP VioStor NVR OS Command Injection Vulnerability
- Product
- QNAP VioStor NVR
- CISA description
- QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.
- Type of flaw
- Command or code injection (CWE-78)
- Confirmed exploited
- Dec 21, 2023
- US federal patch deadline
- Jan 11, 2024
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Answering about CVE-2023-47565 ·
Questions about CVE-2023-47565
Is CVE-2023-47565 being exploited?
Yes. CISA added CVE-2023-47565 to its Known Exploited Vulnerabilities catalog on Dec 21, 2023, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2023-47565?
Install QNAP's security update for VioStor NVR. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic firmware updates and replace gear the maker no longer supports.
Am I affected by CVE-2023-47565?
Only if you use QNAP VioStor NVR. This one is aimed at devices or apps of the kind people own.