Security readout for executives and security teams
Plain-English summary
CVE-2017-16770 is a Synology Surveillance Station information exposure issue. An authenticated remote user could obtain sensitive files belonging to other users through a photo settings component. The sources do not provide CVSS scoring or public exploitation evidence.
Executive priority
Treat as a timely hygiene fix for Synology video surveillance environments. It is not KEV-listed in the provided data, but authenticated sensitive file exposure can create privacy, security, and compliance impact.
Technical view
The issue affects SYNO.SurveillanceStation.PersonalSettings.Photo in Synology Surveillance Station before 8.1.2-5469. The filename parameter could allow remote authenticated users to access other users' sensitive files. It is categorized as CWE-538, file and directory information exposure.
Likely exposure
Exposure is limited to Synology Surveillance Station deployments running versions before 8.1.2-5469. The attacker must be authenticated, so risk is highest where many users have accounts or account compromise is plausible.
Exploitation context
The source bundle marks this CVE as not in KEV and provides no cited evidence of active exploitation. Public details are limited to authenticated file exposure through a named component and parameter.
Researcher notes
Evidence is sparse: no CVSS vector, no exploit status, and no detailed patch notes are included in the bundle. Validation should focus on version checks, account exposure, and log review rather than exploit reproduction.
Mitigation direction
- Upgrade Synology Surveillance Station to 8.1.2-5469 or later.
- Review Synology advisory Synology_SA_17_77 for vendor guidance.
- Limit Surveillance Station accounts to required users only.
- Remove stale or unnecessary authenticated user accounts.
- Monitor for unusual authenticated access to personal settings photo functions.
Validation and detection
- Inventory Synology Surveillance Station versions across all NAS devices.
- Confirm no instance runs earlier than 8.1.2-5469.
- Review user accounts with Surveillance Station access.
- Check logs for unusual authenticated requests to the affected component.
- Confirm sensitive files are not broadly accessible between users.
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.
CWE-538: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-16770 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_77CVE reference · x_refsource_CONFIRM
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.
Insertion of Sensitive Information into Externally-Accessible File or Directory
Insertion of Sensitive Information into Externally-Accessible File or Directory represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.