Security readout for executives and security teams
Plain-English summary
This issue affects Synology File Station and can let a remote attacker obtain sensitive path information through vulnerable folder-sharing parameters. It is rated medium, with low confidentiality impact and no stated integrity or availability impact. The business concern is exposure of internal file-system details that can aid later targeting.
Executive priority
Treat as a scheduled remediation item, faster for internet-facing NAS systems. It is not supported as actively exploited in the provided evidence, but unauthenticated network exposure makes delaying patch review unnecessarily risky.
Technical view
CVE-2018-13288 is a CWE-200 information exposure flaw in SYNO.FolderSharing.List. Synology File Station versions before 1.2.3-0252 and before 1.1.5-0125 are listed as affected. CVSS 3.0 is 5.3: network exploitable, low complexity, no privileges, no user interaction, confidentiality low.
Likely exposure
Exposure is most likely where Synology File Station is enabled and reachable by untrusted networks. The source bundle does not identify specific DSM versions, CPEs, configurations, or whether authentication controls reduce exposure in practice.
Exploitation context
The provided sources do not report active exploitation, and this CVE is not listed as KEV in the bundle. The CVSS vector indicates remote unauthenticated reachability, but no public exploit status or exploitation evidence is provided here.
Researcher notes
Evidence is limited to the CVE record and Synology advisory reference. The affected component and parameters are named, but the bundle does not provide request details, exploitability caveats, authentication context, or a broader product matrix.
Mitigation direction
- Upgrade Synology File Station beyond the vulnerable versions identified by Synology.
- Review Synology SA-18-35 for the vendor-approved remediation path.
- Limit File Station exposure to trusted networks until remediation is complete.
- Remove unnecessary public sharing paths where business use does not require them.
Validation and detection
- Inventory Synology systems running File Station and record installed package versions.
- Confirm File Station is not before 1.2.3-0252 or 1.1.5-0125 as applicable.
- Check whether File Station is reachable from the internet or untrusted networks.
- Review access logs for suspicious folder-sharing requests around exposed systems.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2018-13288 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
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.synology.com/security/advisory/Synology_SA_18_35CVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.