CVE-2024-47273 Path traversal in Hyper Backup
Remote authenticated users can write specific files via path traversal in Synology Hyper Backup, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-47273?
CVE-2024-47273 is a medium-severity path traversal vulnerability in Synology Hyper Backup, published on 3 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2024-47273?
It affects 1 product.
Products include Synology Hyper Backup.
How do I fix CVE-2024-47273?
No fix has been published for CVE-2024-47273 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-47273 being exploited?
There is no known exploitation of CVE-2024-47273 in the wild and no public exploit code.
Other vulnerabilities in Synology Hyper Backup
Sources
Also known as GHSA-c2p9-cv2v-6744.