Security readout for executives and security teams
Plain-English summary
CVE-2017-16199 affects the susu-sum Node module, a static file server. Public records say attackers can use directory traversal in a URL to access files outside the intended directory. The sources do not name a fixed version, CVSS score, or confirmed active exploitation.
Executive priority
Prioritize review if any public-facing Node application uses susu-sum. The business risk is unintended file exposure, including configuration or secrets, but the available sources do not confirm active exploitation or provide a vendor patch.
Technical view
The issue is CWE-22 path traversal in susu-sum. The CVE description says placing traversal sequences in the URL can expose the filesystem beyond the served directory. The affected range is listed as all versions of the susu-sum node module.
Likely exposure
Exposure is likely limited to applications that installed susu-sum and exposed its static file-serving functionality to users or the internet. Systems not using this module are not affected by the provided sources.
Exploitation context
The CVE is not listed as KEV. The source bundle includes a public proof-of-concept reference, but no cited source confirms active exploitation in the wild.
Researcher notes
Evidence is sparse: CVE metadata identifies CWE-22, all versions affected, and URL-based traversal. The source bundle does not provide CVSS, affected platform detail beyond the Node module, or official remediation specifics. Treat the GitHub PoC reference as public exploitability context without reproducing details.
Mitigation direction
- Inventory applications and dependencies for the susu-sum node module.
- Remove or replace susu-sum where feasible, especially on internet-facing services.
- Check vendor and advisory sources for any later maintenance or fixed-version guidance.
- Restrict access to affected static file routes until remediation is complete.
- Review exposed hosts for unintended sensitive file disclosure.
Validation and detection
- Search package manifests and lockfiles for susu-sum usage.
- Identify whether affected applications expose susu-sum routes to untrusted users.
- Confirm whether any deployed version is still serving static files through susu-sum.
- Review web logs for suspicious traversal-pattern requests.
- Verify remediation by confirming the module is removed, replaced, or isolated.
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-2017-16199 mapping review
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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/429CVE reference · x_refsource_MISC
- https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/susu-sumCVE 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.