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HIGH

CVE-2021-23363

CVSS v3

8.8

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2021-03-30

Frequently asked questions

What is CVE-2021-23363?

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.

Is CVE-2021-23363 actively exploited?

Active exploitation of CVE-2021-23363 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

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

CVE-2021-23363 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-23363 affecting your environment?

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