Is CVE-2021-23363 in the CISA KEV catalog?

No. CVE-2021-23363 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23363?

CVE-2021-23363 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-23363?

CVE-2021-23363 has an EPSS score of 1.76% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23363?

Upgrade kill-by-port to 0.0.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-23363

MEDIUMEPSS 75th pctl

6.3

CVSS v3

NVD

Description

This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.

CWE-78OS Command Injection

How to fix

Remediation Available

kill-by-portNVD

Affected:< 0.0.2Fixed in:0.0.2CVE-2021-23363derived 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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.76%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch1

github.com

Exploit1

snyk.io

Other references1

github.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	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.