RCE in QNAP Hybrid Backup Sync

CVE-2024-50388

An OS command injection vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to execute commands. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 25.1.1.673 and later

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (83.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-50388: held from 0.023 to 0.023.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-50388?
CVE-2024-50388 is a critical-severity vulnerability in QNAP Hybrid Backup Sync, classified under Command Injection. CVSS score: 9.8/10. Published 2024-12-06.
How severe is CVE-2024-50388?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-50388 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.