Security readout for executives and security teams
Plain-English summary
CVE-2017-16184 affects the scott-blanch-weather-app npm module, a sample Express 4 application. The reported flaw allows URL-based directory traversal, which could expose files on the server. Severity and CVSS are not provided, so urgency depends on whether this sample app or derived code is deployed.
Executive priority
Prioritize discovery. This is not confirmed as actively exploited, but any public deployment could expose server files. Remove or isolate affected instances once found.
Technical view
The CVE describes CWE-22 directory traversal in all versions of the scott-blanch-weather-app Node module. User-controlled URL path segments can escape the intended directory and access filesystem content. The source bundle does not identify a fixed version, patch, or vendor mitigation.
Likely exposure
Exposure is likely limited to environments that installed or deployed scott-blanch-weather-app, or copied its file-serving logic into another Express application. Treat internet-facing deployments as higher concern.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not show active exploitation. A public proof-of-concept repository is referenced, indicating technical details may be available publicly.
Researcher notes
Evidence is sparse: no CVSS, no fixed version, and no patch details are included. Analysis should focus on confirming package presence, public reachability, and whether downstream code reused the vulnerable file-access pattern.
Mitigation direction
- Identify and remove any deployed scott-blanch-weather-app instances.
- Do not expose this sample application to the internet.
- Replace the module with maintained code or a supported framework pattern.
- Check vendor or advisory sources for any updated guidance.
- Review forked code for unsafe user-controlled file path handling.
Validation and detection
- Search dependency manifests for scott-blanch-weather-app.
- Confirm production services do not expose this sample app.
- Review Express routes that serve files from URL input.
- Check asset inventory for public Node.js deployments using this module.
- Document any forked or copied code derived from the package.
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-2017-16184 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://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/scott-blanch-weather-appCVE reference · x_refsource_MISC
- https://nodesecurity.io/advisories/453CVE 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.