8.8

CVE-2018-3722: hackerone merge-deep node module

CVSS: 8.8v3.0HighModified
AliasesGHSA-9g9w-hmvj-5h57
Published 07-06-2018Last modified 17-09-2024

Vulnerability summary

CVE-2018-3722 is a high (CVSS 8.8) vulnerability in hackerone merge-deep node module. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.00%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-06-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

merge-deep node module before 3.0.1 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

EPSS trend

Probability

2.00%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

-0.03 pp

From 2.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Hackerone1 product
Merge-deep_project1 product
Npm1 product
  • merge-deep< 3.0.1

3 vendors · 3 products

References

5 links