HOMEVULNERABILITIESCVE-2019-10745
HIGH

CVE-2019-10745

CWE-1321Published: August 20, 2019· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

assign-deep is vulnerable to Prototype Pollution in versions before 0.4.8 and version 1.0.0. The function assign-deep could be tricked into adding or modifying properties of Object.prototype using either a constructor or a _proto_ payload.

NVD Source

Technical Analysis

CVE-2019-10745 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

assign-deep
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://snyk.io/vuln/SNYK-JS-ASSIGNDEEP-450211Exploit · Patch · Third Party Advisory
https://snyk.io/vuln/SNYK-JS-ASSIGNDEEP-450211Exploit · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2019-10745
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-1321
CISA KEVNo
Affected1 vendor(s)
PublishedAug 20, 2019

Related CVEs (CWE-1321)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-10745 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.