Security readout for executives and security teams
Plain-English summary
CVE-2019-5447 is a path traversal issue in the npm http-file-server module through version 0.2.6. An attacker may be able to list files outside the intended served directory, creating risk of sensitive file disclosure if the package is deployed on reachable systems.
Executive priority
Prioritize if this package is deployed in any internet-facing or sensitive internal service. The main business risk is unintended file discovery, which can expose secrets or operational data. If the package is not present, no further action is needed beyond recording the check.
Technical view
The CVE describes CWE-22 path traversal in http-file-server <=0.2.6, allowing arbitrary folder listing. The provided sources do not include CVSS data, patched version details, or confirmed exploitation. Treat this as a filesystem exposure risk where the module serves user-controlled paths.
Likely exposure
Exposure is likely limited to Node.js applications that directly depend on http-file-server version 0.2.6 or earlier and expose it to users. Internet-facing file-serving utilities, internal admin tooling, and developer-hosted services are the most relevant places to check.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The reported impact is directory listing across arbitrary folders, which could disclose configuration, source, credentials, or other sensitive files depending on deployment context.
Researcher notes
The public CVE data is sparse: no CVSS, no detailed affected range beyond <=0.2.6, and no patch information in the supplied bundle. Validate exposure through dependency inventory and deployment review, not assumptions about exploit maturity.
Mitigation direction
- Inventory applications and lockfiles for http-file-server <=0.2.6.
- Check package or vendor guidance for fixed versions or deprecation status.
- Remove or replace the package if no maintained safe version is available.
- Restrict network access to any service still using this module.
- Run the service with least filesystem permissions.
Validation and detection
- Confirm whether http-file-server appears in production dependency trees.
- Identify reachable routes or services using the affected file-serving behavior.
- Review service permissions for access to sensitive directories.
- Check logs for suspicious path traversal or unexpected directory listing attempts.
- Document exposed instances and remediation status.
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-2019-5447 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://hackerone.com/reports/570133CVE 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.