Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.04%. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. |
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Alert meAnalysisAI
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup.Repository webapi component in Synology Hyper Backup before 4.1.2-4036 allows remote. Rated medium severity (CVSS 4.1), this vulnerability is remotely exploitable, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup.Repository webapi component in Synology Hyper Backup before 4.1.2-4036 allows remote authenticated users with administrator privileges to write specific files containing non-sensitive information via unspecified vectors. Affected products include: Synology Hyper Backup. Version information: before 4.1.2.
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
Primary rating from Vendor (synology) · only source for this CVE.
CVSS VectorVendor: synology
Lifecycle Timeline
2DescriptionCVE.org
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup.Repository webapi component in Synology Hyper Backup before 4.1.2-4036 allows remote authenticated users with administrator privileges to write specific files containing non-sensitive information via unspecified vectors.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
EUVD-2024-55609
GHSA-qqc4-wwg4-7292
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB