Security readout for executives and security teams
Plain-English summary
CVE-2017-9553 is a Synology DSM design flaw that could let a remote attacker bypass an encryption protection mechanism. The source record ties exposure to DSM versions before 6.1.3-15152. No CVSS score or confirmed active exploitation is provided in the bundle.
Executive priority
Treat this as a targeted legacy NAS remediation issue. It is not KEV-listed in the supplied data, but remote bypass of encryption protection on storage infrastructure warrants prompt version verification and upgrade planning.
Technical view
The issue is in SYNO.API.Encryption in Synology DiskStation Manager before 6.1.3-15152. The CVE describes bypass of the encryption protection mechanism through a crafted version parameter. The bundle does not provide CWE mapping, detailed impact boundaries, authentication requirements, or proof of exploitation.
Likely exposure
Organizations are likely exposed if they still operate Synology DSM versions earlier than 6.1.3-15152, especially where DSM services are reachable from untrusted networks. The bundle does not identify other affected products.
Exploitation context
The CVE states remote attackers can bypass an encryption protection mechanism. CISA KEV is false in the supplied data, and no cited source in the bundle confirms active exploitation in the wild.
Researcher notes
Evidence is sparse: the source bundle provides the affected component, version boundary, and high-level vector only. Avoid assuming authentication state, data exposure scope, exploit maturity, or broader product impact without Synology advisory details or additional validated sources.
Mitigation direction
- Upgrade Synology DSM to 6.1.3-15152 or later where applicable.
- Review Synology security advisory SA-17-29-DSM for vendor-specific remediation details.
- Reduce untrusted network exposure to DSM management services.
- Prioritize remediation for internet-reachable or sensitive NAS deployments.
Validation and detection
- Inventory Synology NAS assets and record DSM versions.
- Flag any DSM installation earlier than 6.1.3-15152.
- Confirm whether DSM management interfaces are internet-reachable.
- Check vendor advisory status and maintenance support for each device.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-9553 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.synology.com/en-global/support/security/Synology_SA_17_29_DSMCVE reference · x_refsource_CONFIRM
- https://www.2-sec.com/2017/06/2-secs-expert-team-uncovers-new-vulnerability-popular-synology-nas-device/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.