CVE-2021-23379

HIGHNVD 7.37.3—

7.3

This affects all versions of package portkiller. 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.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 74.5%
KEV: Not listed

Published

April 18, 2021

Last Modified

November 21, 2024

References (4)

report@snykhttps://github.com/indatawetrust/portkiller/blob/f1f1c5076d9c5d60e8dd3930e98d665d8191aa7a/index.js%23L10
report@snykhttps://snyk.io/vuln/SNYK-JS-PORTKILLER-1078537
af854a3a-2127-422b-91ae-364da2661108https://github.com/indatawetrust/portkiller/blob/f1f1c5076d9c5d60e8dd3930e98d665d8191aa7a/index.js%23L10
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078537

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	portkiller	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
portkiller	—	—	—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 18:10 UTCEG score recompute
2026-05-26 18:10 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:49 UTCepss_batch

Frequently asked(5)

What is CVE-2021-23379?

CVE-2021-23379 is a high vulnerability published on April 18, 2021. This affects all versions of package portkiller. 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.

When was CVE-2021-23379 disclosed?

CVE-2021-23379 was first published in the National Vulnerability Database on April 18, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-23379 actively exploited?

CVE-2021-23379 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-23379?

CVE-2021-23379 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2021-23379?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-23379, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-23379

Explore →

Is Your Infrastructure Affected by CVE-2021-23379?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-23379

📅 Published

🔄 Last Modified

🔗 References (4)