CVE-2024-47273 | BDVDB-2026-337385 Detail

SynologyHyper Backup

Description#

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 unspecified vectors.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://www.synology.com/en-global/releaseNote/HyperBackup?model=DS224%2B&os=DSM&version=7_x_series

Exploit#

No public exploit known

History#

Version 12026-06-03Record published in the CVE List.

Published

Published: 2026-06-03
Last modified: 2026-06-03

Vendor information

Vendor: Synology
Product: Hyper Backup

All Synology vulnerabilities

Score

4.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 4.1.2-4036
Fixed
4.1.2-4036

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).