What’s Vulnerable › Vulnerabilities

CVE-2021-23379: Arbitrary Command Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-18 · updated 2026-06-17
• Weakness: CWE-78

Description

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.

Affected products

• portkiller: all versions

References

• https://github.com/indatawetrust/portkiller/blob/f1f1c5076d9c5d60e8dd3930e98d665d8191aa7a/index.js%23L10
• https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078537
• https://github.com/indatawetrust/portkiller/blob/f1f1c5076d9c5d60e8dd3930e98d665d8191aa7a/index.js%23L10
• https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078537

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