Security readout for executives and security teams
Plain-English summary
CVE-2018-3750 affects the deep-extend Node.js module through version 0.5.0. If an attacker can influence data passed into its merge utility, they may alter properties shared by all JavaScript objects. Business risk depends on whether vulnerable code handles untrusted input.
Executive priority
Treat this as a dependency hygiene and exposure-tracing task. Prioritize internet-facing Node.js services first, especially where untrusted object data is merged.
Technical view
The reported issue is prototype pollution in deep-extend <=0.5.0. The utility can modify Object.prototype when attacker-controlled structure reaches it, causing added or changed properties to appear across objects. The sources do not provide CVSS, CWE, or a named fixed version.
Likely exposure
Exposure is most likely in Node.js applications that include deep-extend <=0.5.0 and use it on request, configuration, or other externally influenced object data.
Exploitation context
The bundle does not show KEV listing or active exploitation evidence. Exploitation depends on attacker control over part of the structure passed to the affected utility.
Researcher notes
Evidence is limited to the CVE record and HackerOne reference. No CVSS, CWE, affected CPE, fixed version, or exploitation confirmation is included in the supplied bundle.
Mitigation direction
- Inventory direct and transitive use of deep-extend.
- Check vendor or package maintainer guidance for safe versions or replacement advice.
- Avoid passing externally controlled structures into affected merge logic.
- Use dependency scanning to flag deep-extend <=0.5.0.
- Prioritize services processing untrusted JSON, configuration, or request bodies.
Validation and detection
- Search dependency manifests and lockfiles for deep-extend versions <=0.5.0.
- Confirm whether vulnerable versions are bundled in production artifacts.
- Trace whether user-controlled data reaches deep-extend merge utilities.
- Review SCA results for CVE-2018-3750 findings.
- Retest after dependency update or removal.
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.
CVE-2018-3750 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/311333CVE 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.