CVE-2024-47273: An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup Task

Q: How do I fix CVE-2024-47273?

hyper backup: upgrade to 4.1.2-4036. Exact commands for each OS are on this page.

Q: Is CVE-2024-47273 being exploited?

CVE-2024-47273 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-47273 affect?

CVE-2024-47273 affects hyper backup. Severity is medium (CVSS 4.3). 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 unspecifie

Q: How urgent is CVE-2024-47273?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2024-47273 is a medium-severity flaw (CVSS 4.3) affecting hyper backup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-06-03
Last modified	2026-07-22

Publisher (CNA): Synology Inc. · Vendor: synology

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-03 14:16 UTCPublished CVE record published
2026-07-22 19:10 UTCUpdated Record last modified

synology hyper backup UPGRADE

Affected: < 4.1.2-4036

Fixed in: 4.1.2-4036

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hyper-backup || rpm -q hyper-backup || hyper-backup --version

2. UPGRADE to 4.1.2-4036 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hyper-backup

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hyper-backup

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-47273?

hyper backup: upgrade to 4.1.2-4036. Exact commands for each OS are on this page.

Is CVE-2024-47273 being exploited?

CVE-2024-47273 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-47273 affect?

CVE-2024-47273 affects hyper backup. Severity is medium (CVSS 4.3). 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 unspecifie

How urgent is CVE-2024-47273?

Priority 20/100. No elevated risk signals yet.

Software pages

Synology vulnerabilities

Related CVEs

CVE-2024-47263 MEDIUM 4.1 UPGRADE An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup.Repo

References

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