Is CVE-2021-3815 in the CISA KEV catalog?

No. CVE-2021-3815 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3815?

CVE-2021-3815 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-3815?

CVE-2021-3815 has an EPSS score of 0.84% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3815?

Upgrade utils.js to 0.17.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-3815

CRITICAL

9.8

CVSS v3

NVD

Description

utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

How to fix

Remediation Available

utils.jsNVD

Affected:< 0.17.2Fixed in:0.17.2CVE-2021-3815derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.84%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-1321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0230	Critical	9.8	97%	-	-
CVE-2019-11358	Medium	6.1	87%	-	Fix
CVE-2020-7774	High	7.3	69%	-	Fix
CVE-2022-24760	Critical	10.0	49%	-	Fix
CVE-2022-39396	Critical	9.8	39%	-	Fix
CVE-2022-2564	Critical	9.8	33%	-	Fix

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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.