CVE-2018-3720: assign-deep_project assign-deep
Vulnerability summary
CVE-2018-3720 is a high (CVSS 8.8) vulnerability in assign-deep_project assign-deep. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 07-06-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
assign-deep node module before 0.4.7 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · NpmEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.99%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
-0.03 pp
From 2.02% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Assign-deep_project1 product
- assign-deep< 0.4.7
Hackerone1 product
- assign-deep node moduleVersions before 0.4.7
Npm1 product
- assign-deep< 0.4.7
3 vendors · 3 products
References
5 links- github.com/jonschlinkert/assign-deep/commit/19953a8c089b0328c470acaaaf6accdfcb34da11X Refsource MISCPatchThird Party AdvisoryWEB