Security readout for executives and security teams
Plain-English summary
CVE-2017-16165 is a directory traversal flaw in the calmquist.static-server Node module. If this static file server is reachable by attackers, crafted web paths may expose files outside the intended web directory. The source bundle lists all versions as affected, but provides no CVSS score or confirmed fix.
Executive priority
Prioritize remediation if this module is present in an internet-facing or user-accessible service. The business risk is unauthorized file disclosure, potentially including secrets or configuration files. If the module is not deployed, track as a dependency hygiene item.
Technical view
The issue is CWE-22 path traversal in calmquist.static-server. The CVE description states attackers can use traversal in the URL to access the filesystem. Affected scope is listed as all versions of the calmquist.static-server node module. No CPEs, CVSS vector, patch version, or vendor remediation details are present in the provided sources.
Likely exposure
Exposure is most likely where an application directly uses calmquist.static-server to serve files to untrusted users. Internet-facing static file hosting, admin panels, demos, or embedded developer tooling would carry the most risk. Asset prevalence cannot be determined from the supplied sources.
Exploitation context
The bundled sources include public references, including a proof-of-concept repository, but CISA KEV status is false and no cited source confirms active exploitation. Treat exploitability as plausible for exposed deployments, while avoiding assumptions about exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description and historical public references. The record says all versions are affected, but does not identify a patched release or affected runtime conditions. Validation should focus on dependency presence, reachability, filesystem permissions, and whether the module serves attacker-controlled paths.
Mitigation direction
- Identify and remove or replace calmquist.static-server where possible.
- Check vendor or advisory guidance for any maintained fix or migration path.
- Restrict the server process to the minimum required filesystem permissions.
- Add edge or application filtering for path traversal attempts as a compensating control.
- Avoid exposing development-only static servers to untrusted networks.
Validation and detection
- Search dependency manifests and lockfiles for calmquist.static-server.
- Confirm whether any instance is reachable by external or untrusted users.
- Review static file serving code for filesystem access outside the web root.
- Check web server and application logs for path traversal attempts.
- Verify production processes cannot read sensitive files unnecessarily.
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-2017-16165 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/calmquist.static-serverCVE reference · x_refsource_MISC
- https://nodesecurity.io/advisories/398CVE 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.