CVE-2021-23363

CVE-2021-23363 is a medium-severity vulnerability in Kill-by-port Project Kill-by-port with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

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.

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.
How severe is CVE-2021-23363?
CVE-2021-23363 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-23363 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23363?
CVE-2021-23363 affects Kill-by-port Project Kill-by-port. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23363?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23363 published?
CVE-2021-23363 was published on 2021-03-30 and last updated on 2026-06-17.

References

Affected products (1)

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