CVE-2021-23377: Arbitrary Command Injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% 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 onion-oled-js. If attacker-controlled user input is given to the scroll 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.

Affected products

onion-oled-js: all versions

References

https://github.com/naddeoa/onion-oled-js/blob/8a523645d2cc29130f98de661b742893773d760d/src/oled-exp.js%23L91
https://snyk.io/vuln/SNYK-JS-ONIONOLEDJS-1078808
https://github.com/naddeoa/onion-oled-js/blob/8a523645d2cc29130f98de661b742893773d760d/src/oled-exp.js%23L91
https://snyk.io/vuln/SNYK-JS-ONIONOLEDJS-1078808

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