Incorrect default permissions in Synology DiskStation Manager
Priority LOW 31CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA.
Summary
Incorrect default permissions vulnerability in synouser.conf in Synology Diskstation Manager (DSM) before 6.2-23739-1 allows remote authenticated users to obtain sensitive information via the world readable configuration.
Why it matters now
EPSS 0.01305 70th percentileScored 2026-11-07
Fix Fixed DiskStation Manager (DSM) (Synology): 6.2-23739-1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Synology | DiskStation Manager (DSM) | before 6.2-23739-1 | 6.2-23739-1 | Patch available | CNA |
- DiskStation Manager (DSM) VendorSynology Affected before 6.2-23739-1 Fixed in 6.2-23739-1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* | 5.2 to before 5.2-5967-8; 6.0 to before 6.0.3-8754-8; 6.1 to before 6.1.7-15284-1; 6.2 to before 6.2-23739-1 | Vulnerable | Synology |
- cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* Versions 5.2 to before 5.2-5967-8; 6.0 to before 6.0.3-8754-8; 6.1 to before 6.1.7-15284-1; 6.2 to before 6.2-23739-1 Vulnerable ·Synology
Remediation
- Fix · CNA DiskStation Manager (DSM) (Synology) Fixed in 6.2-23739-1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Synology DiskStation Manager (DSM) 6.2-23739-1
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-09532 OS command injection in Synology DiskStation ManagerPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2018-13286
- 2026-10-03 Alias added: GHSA-5hf6-8rwq-jj93
References
More Synology Diskstation Manager vulnerabilities
- TI-2021-02242 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer… KEVCVSS 3.1HIGH 7.8
- TI-2018-01076 Out-of-bounds write in Netatalk CVSS 3.1CRITICAL 9.8
- TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
- TI-2013-05716 webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2… CVSS 2.0HIGH 10.0
- TI-2021-19843 Out-of-bounds read in Samba CVSS 3.1HIGH 8.8
- TI-2017-11636 Command injection in Synology DiskStation Manager CVSS 3.0HIGH 8.8
Sources
- CVE-2018-13286 · CVE Program
- CVE-2018-13286 · NVD
- FIRST EPSS
- GHSA-5hf6-8rwq-jj93 · GitHub Advisory Database · CC BY 4.0
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