Actively exploited · Published Dec 8, 2023 · Assigned by qnap

CVE-2023-47565Legacy VioStor NVR

High 8.0 Exploited

In plain English

A high-severity OS command injection in VioStor NVR from QNAP Systems Inc.. Attackers are actively exploiting it in the wild (listed by CISA on December 21, 2023). The chance it is exploited in the next 30 days is estimated at 73.3% (higher than 99.5% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)73.3%top 0.5% of all CVEs
Exploited in the wildYesCISA KEV since Dec 21, 2023
Attack toolingNoneno public tooling known

CISA guidance

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Federal agencies must remediate by Jan 11, 2024.

Official 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 products (as reported)

VendorProductVersions
QNAP Systems Inc. VioStor NVR 4.x – before 5.0.0

Weakness: CWE-78 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References