Security readout for executives and security teams
Plain-English summary
CVE-2017-16110 affects the weather.swlyons Node.js module, a small web server for weather updates. The reported flaw is directory traversal, meaning a remote request could access files outside the intended web content area. Business risk depends on whether this package is deployed and reachable.
Executive priority
Prioritize this if the package is deployed in any externally reachable service. If only present in old test code or unused dependencies, the urgency is lower but cleanup is still appropriate because all versions are listed as affected.
Technical view
The CVE describes CWE-22 path traversal in all versions of the weather.swlyons node module. The issue is reported to allow filesystem access through crafted URL path traversal input. No CVSS score, fixed version, or vendor mitigation is provided in the supplied sources.
Likely exposure
Exposure is likely limited to applications that directly include and run the weather.swlyons npm module, especially if its web server is reachable from users or the internet. The supplied sources do not identify broader platform impact.
Exploitation context
The source bundle includes a public proof-of-concept reference, but KEV is false and no cited source states active exploitation. Treat exploitability as plausible where the vulnerable server is exposed, but do not assume observed attacks from the available evidence.
Researcher notes
Evidence is sparse: the CVE record identifies directory traversal and all versions affected, but provides no CVSS, patch, or detailed vendor remediation. The PoC reference supports technical plausibility, while KEV=false means active exploitation is not established by the supplied data.
Mitigation direction
- Inventory codebases and lockfiles for weather.swlyons usage.
- Check current vendor or package guidance for a maintained fix.
- Remove or replace the package if no fixed release exists.
- Restrict network exposure for any service using this module.
- Monitor dependency scanning for CVE-2017-16110 findings.
Validation and detection
- Confirm whether weather.swlyons appears in package manifests or lockfiles.
- Identify any running services that instantiate the module's web server.
- Review routing and static file handling for path traversal protections.
- Use dependency scanning to confirm CVE detection and remediation status.
- Document residual exposure if the package cannot be removed immediately.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-16110 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://nodesecurity.io/advisories/379CVE reference · x_refsource_MISC
- https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/weather.swlyonsCVE 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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.