CVE-2017-9553
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152...
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.
- Record
CVE-2017-9553- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.
- Record
CVE-2017-9553- Updated
- 2026-11-02
EUVDEUVD-2017-18484 No score
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.
- Record
EUVD-2017-18484- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mjrv-32hr-4pv5
7.5
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152...
A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.
- Record
GHSA-mjrv-32hr-4pv5- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9553 is a high vulnerability (CVSS 7.5) in Synology Diskstation Manager, published July 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. No source names a fixed version.