High severity · published Jul 24, 2017
CVE-2017-9553
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…
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DM
Diskstation Manager · Synology
through 6.1.1-15101-4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9553
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9553
www.2-sec.com
https://www.2-sec.com/2017/06/2-secs-expert-team-uncovers-new-vulnerability-popular-synology-nas-device/
Mitigation
https://www.synology.com/en-global/support/security/Synology_SA_17_29_DSM
More from Diskstation Manager
7.8
CVE-2021-3156
Sudo Heap-Based Buffer Overflow Vulnerability
9.8
CVE-2025-13392
Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not…
9.8
CVE-2024-10441
Improper encoding or escaping of output vulnerability in the system plugin daemon in Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before…
9.8
CVE-2022-27624
A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the packet decryption functionality of Out-of-Band (OOB) Management
9.8
CVE-2022-27625
A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the message processing functionality of Out-of-Band (OOB) Management