How severe is CVE-2021-23356?

CVE-2021-23356 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-23356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23356?

CVE-2021-23356 affects Kill-process-by-name Project Kill-process-by-name. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23356 published?

CVE-2021-23356 was published on 2021-03-15 and last updated on 2026-06-17.

CVE-2021-23356

CVE-2021-23356 is a medium-severity vulnerability in Kill-process-by-name Project Kill-process-by-name with a CVSS 3.x base score of 5.6. 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

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Kill-process-by-name Project Kill-process-by-name
Published: 2021-03-15
Last modified: 2026-06-17

Description

This affects all versions of package kill-process-by-name. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization in the index.js file.

Frequently asked questions

What is CVE-2021-23356?: This affects all versions of package kill-process-by-name. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization in the index.js file.
How severe is CVE-2021-23356?: CVE-2021-23356 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-23356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23356?: CVE-2021-23356 affects Kill-process-by-name Project Kill-process-by-name. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23356 published?: CVE-2021-23356 was published on 2021-03-15 and last updated on 2026-06-17.

References

https://snyk.io/vuln/SNYK-JS-KILLPROCESSBYNAME-1078534

Affected products (1)

cpe:2.3:a:kill-process-by-name_project:kill-process-by-name:*:*:*:*:*:node.js:*:*

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