What is CVE-2024-47273?

CVE-2024-47273 is a medium-severity vulnerability in Synology Hyper Backup, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-06-03.

How severe is CVE-2024-47273?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Synology Hyper Backup

CVE-2024-47273

An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup Task functionality in Synology Hyper Backup before 4.1.2-4036 allows remote authenticated users to write specific files via unspecifi…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Synology Hyper Backup
Synology Hyper_backup

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@synology.com (vendor-advisory, Release Notes)

Frequently asked questions

What is CVE-2024-47273?: CVE-2024-47273 is a medium-severity vulnerability in Synology Hyper Backup, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-06-03.
How severe is CVE-2024-47273?: Medium severity. CVSS v3 base score is 4.3 out of 10.