Security readout for executives and security teams
Plain-English summary
CVE-2018-16493 affects static-resource-server 1.7.2. A URL handling flaw can let an unauthorized user read files from the server by manipulating slashes in the request path. If deployed on an exposed service, this could disclose secrets, configuration files, or application data.
Executive priority
Prioritize review if static-resource-server 1.7.2 is used in internet-facing applications. The main business risk is unauthorized disclosure of sensitive server-side files. If the module is not present, no action is needed beyond documentation.
Technical view
The issue is a path traversal-style unauthorized file read in static-resource-server 1.7.2, described as reachable by appending slashes in the URL. The CVE maps to CWE-548. No CVSS score or vendor-fixed version is provided in the supplied sources.
Likely exposure
Exposure is likely limited to applications using static-resource-server 1.7.2 to serve files. Risk is highest where that service is reachable from untrusted networks or where sensitive files exist on the same host.
Exploitation context
The supplied sources do not indicate active exploitation, and the CVE is not listed as KEV. Public details originate from a HackerOne report and CVE records. Treat exploitability as plausible but do not assume observed attacks without local evidence.
Researcher notes
Evidence is concise: affected version 1.7.2, unauthorized file read, and slash-appending path traversal behavior. The source bundle lacks CVSS, patch version, and active exploitation evidence. Validate dependency presence before escalating.
Mitigation direction
- Identify and remove or replace static-resource-server 1.7.2 where possible.
- Check maintainer or package guidance for fixed versions or deprecation status.
- Restrict static file roots to non-sensitive directories.
- Add reverse proxy or WAF filtering for traversal-like request patterns.
- Monitor access logs for suspicious path manipulation attempts.
Validation and detection
- Search SBOMs and dependency manifests for static-resource-server 1.7.2.
- Confirm whether production services load the module to serve files.
- Review access logs for unusual URLs with repeated or appended slashes.
- Use authorized, non-destructive staging tests to verify file-serving boundaries.
- Document exposed instances and prioritize internet-facing deployments.
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-548: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2018-16493 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/432600CVE 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.
Exposure of Information Through Directory Listing
Exposure of Information Through Directory Listing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.