CVE-2021-23363

Public Exploit

Arbitrary Command Injection

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.

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531	third party advisory exploit
https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8	broken link
https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23363?: CVE-2021-23363 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23363?: To fix CVE-2021-23363, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23363 being actively exploited in the wild?: It is possible that CVE-2021-23363 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23363?: CVE-2021-23363 affects n/a kill-by-port.

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Description

Category

CWE-78 – Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

Frequently Asked Questions