Command injection in connection-tester

CRITICAL 9.8CVE-2020-7781 · GHSA-w5mp-8p8w-mhh8 · SNYK-JS-CONNECTIONTESTER-1048337 · Published 16/12/2020 · updated 17/06/2026

In short

CVE-2020-7781 is a CRITICAL (CVSS 9.8) vulnerability affecting connection-tester (connection-tester project), connection-tester.
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 80.8% of all vulnerabilities.
Fix: update to 0.2.1 or later.

Package	Affected versions	Patched versions
connection-tester connection-tester_project	`< 0.2.1`	`0.2.1`
connection-tester npm	`< 0.2.1`	`0.2.1`

Description

This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. Affected versions of this package are vulnerable to Command Injection

NVD description

This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:

References

nvd.nist.gov/vuln/detail/CVE-2020-7781 · ADVISORY
skoranga/node-connection-tester#10 · WEB
snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337 · WEB

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