What is CVE-2021-23376?

CVE-2021-23376 is a critical-severity vulnerability in Ffmpegdotjs Project, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-04-18.

How severe is CVE-2021-23376?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Ffmpegdotjs Project

CVE-2021-23376

This affects all versions of package ffmpegdotjs. If attacker-controlled user input is given to the trimvideo 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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-04-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.7th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.000

Affected products

Ffmpegdotjs Project
Ffmpegdotjs — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

snyk.io/vuln/SNYK-JS-FFMPEGDOTJS-1078542 (Exploit, Third Party Advisory)
github.com/TRomesh/ffmpegdotjs/blob/b7395daf0bdcb81218340427eb7073cdd28462af/in… (Broken Link)

Frequently asked questions

What is CVE-2021-23376?: CVE-2021-23376 is a critical-severity vulnerability in Ffmpegdotjs Project, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-04-18.
How severe is CVE-2021-23376?: Critical severity. CVSS v3 base score is 9.8 out of 10.