How severe is CVE-2020-7603?

CVE-2020-7603 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7603?

CVE-2020-7603 affects Closure-compiler-stream Project Closure-compiler-stream. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7603?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-7603 published?

CVE-2020-7603 was published on 2020-03-15 and last updated on 2026-06-17.

CVE-2020-7603

CVE-2020-7603 is a critical-severity vulnerability in Closure-compiler-stream Project Closure-compiler-stream with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Closure-compiler-stream Project Closure-compiler-stream
Published: 2020-03-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-7603?: CVE-2020-7603 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7603?: CVE-2020-7603 affects Closure-compiler-stream Project Closure-compiler-stream. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-7603 published?: CVE-2020-7603 was published on 2020-03-15 and last updated on 2026-06-17.

References

https://snyk.io/vuln/SNYK-JS-CLOSURECOMPILERSTREAM-560123

Affected products (1)

cpe:2.3:a:closure-compiler-stream_project:closure-compiler-stream:*:*:*:*:*:node.js:*:*

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