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CVE Record

CVE-2018-16487: A prototype pollution vulnerability was found in lodash <4.17.11 where the functions merge, mergeWith, and...

A prototype pollution vulnerability was found in lodash <4.17.11 where the functions merge, mergeWith, and defaultsDeep can be tricked into adding or modifying properties of Object.prototype.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-16487 affects lodash, a widely used JavaScript utility library. Vulnerable versions before 4.17.11 can let specially crafted input alter shared JavaScript object behavior. Business risk depends on whether applications pass untrusted data into affected lodash functions.

Executive priority

Treat as a dependency hygiene priority, especially for internet-facing JavaScript services. Prioritize systems processing user-controlled JSON or object data. No supplied source confirms active exploitation.

Technical view

The issue is prototype pollution in lodash functions merge, mergeWith, and defaultsDeep. These functions can be tricked into adding or modifying properties on Object.prototype. The CVE record describes affected lodash versions as before 4.17.11. No CVSS score is provided in the supplied sources.

Likely exposure

Exposure is likely in Node.js or browser applications that include lodash before 4.17.11 and process untrusted objects through merge, mergeWith, or defaultsDeep. Transitive dependency use should be checked.

Exploitation context

The supplied sources do not show CISA KEV listing or active exploitation. Exploitability depends on application data flow and whether attacker-controlled object keys reach vulnerable lodash functions.

Researcher notes

There is a source inconsistency: the bundle affected field says <4.7.11, while the CVE description states lodash <4.17.11. Validate against the HackerOne report and vendor dependency data before closing.

Mitigation direction

  • Identify direct and transitive lodash versions in application dependency manifests.
  • Upgrade lodash to 4.17.11 or later where applicable.
  • Check vendor advisories for products bundling lodash, including NetApp guidance.
  • Review affected code paths handling untrusted object input.

Validation and detection

  • Confirm installed lodash versions across repositories and deployed artifacts.
  • Search code for merge, mergeWith, and defaultsDeep usage.
  • Verify whether untrusted request or file data reaches those functions.
  • Retest after upgrade to confirm vulnerable versions are removed.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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cwe · low confidence lookup

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cve · low confidence lookup

CVE-2018-16487 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
HackerOnelodash<4.7.11Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-400 · source CWE mapping

Uncontrolled Resource Consumption

Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.