What is CVE-2023-23373?

CVE-2023-23373 is a high-severity vulnerability in QNAP Qusbcam2, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-10-20.

How severe is CVE-2023-23373?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in QNAP Qusbcam2

CVE-2023-23373

An OS command injection vulnerability has been reported to affect QUSBCam2. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following version: QUSBCam2 2.0.3 ( 2023/06/15 ) and later

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-10-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

QNAP Qusbcam2
QNAP Systems Inc. Qusbcam2 — versions 2.0.x

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.qnap.com/en/security-advisory/qsa-23-43 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23373?: CVE-2023-23373 is a high-severity vulnerability in QNAP Qusbcam2, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-10-20.
How severe is CVE-2023-23373?: High severity. CVSS v3 base score is 8.8 out of 10.