What is CVE-2020-7603?

CVE-2020-7603 is a critical-severity vulnerability in Closure-Compiler-Stream Project, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-03-15.

How severe is CVE-2020-7603?

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

RCE in Closure-Compiler-Stream Project

CVE-2020-7603

closure-compiler-stream through 0.1.15 allows execution of arbitrary commands. The argument "options" of the exports function in "index.js" can be controlled by users without any sanitization.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-03-15 · 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: 0.026 (84.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Closure-Compiler-Stream Project
Closure-Compiler-Stream — versions All versions including 0.1.15

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

snyk.io/vuln/SNYK-JS-CLOSURECOMPILERSTREAM-560123 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-7603?: CVE-2020-7603 is a critical-severity vulnerability in Closure-Compiler-Stream Project, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-03-15.
How severe is CVE-2020-7603?: Critical severity. CVSS v3 base score is 9.8 out of 10.