CVEs / CVE-2023-47565
CVE-2023-47565: QNAP VioStor NVR OS Command Injection Vulnerability
- Known exploited in the CISA KEV catalog since 21 Dec 2023
- high 8.8 CVSS 3.1 (NVD)
- EPSS 73.2% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.
Description
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
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. VioStor NVR | from 4.x, before 5.0.0 | 5.0.0 |
Exploitation
| In CISA KEV since | 21 Dec 2023 |
|---|---|
| Due date for US federal agencies | 11 Jan 2024 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-78 |
References
- CVE-2023-47565 on NVD
- CVE-2023-47565 in the CISA KEV catalog
- https://www.qnap.com/en/security-advisory/qsa-23-48 (cited by CISA)
- https://www.qnap.com/en/security-advisory/qsa-23-48 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-47565 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.