Is CVE-2018-3723 in the CISA KEV catalog?

No. CVE-2018-3723 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-3723?

CVE-2018-3723 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-3723?

CVE-2018-3723 has an EPSS score of 2.04% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-3723?

Upgrade defaults-deep to 0.2.4 or later.

CVE & CISA-KEV Catalog

CVE-2018-3723

HIGHEPSS 79th pctl

8.8

CVSS v3

NVD

Description

defaults-deep node module before 0.2.4 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.

CWE-471 CWE-20Improper Input Validation

How to fix

Remediation Available

defaults-deepNVD

Affected:< 0.2.4Fixed in:0.2.4CVE-2018-3723derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.04%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch1

github.com

Exploit1

hackerone.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.