How severe is CVE-2020-8129?

CVE-2020-8129 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-2020-8129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8129?

CVE-2020-8129 affects Script-manager Project Script-manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8129?

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-2020-8129 published?

CVE-2020-8129 was published on 2020-02-14 and last updated on 2026-06-17.

CVE-2020-8129

CVE-2020-8129 is a critical-severity vulnerability in Script-manager Project Script-manager 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Script-manager Project Script-manager
Published: 2020-02-14
Last modified: 2026-06-17

Description

An unintended require vulnerability in script-manager npm package version 0.8.6 and earlier may allow attackers to execute arbitrary code.

Frequently asked questions

What is CVE-2020-8129?: An unintended require vulnerability in script-manager npm package version 0.8.6 and earlier may allow attackers to execute arbitrary code.
How severe is CVE-2020-8129?: CVE-2020-8129 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-2020-8129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8129?: CVE-2020-8129 affects Script-manager Project Script-manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8129?: 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-2020-8129 published?: CVE-2020-8129 was published on 2020-02-14 and last updated on 2026-06-17.

References

https://hackerone.com/reports/660563

Affected products (1)

cpe:2.3:a:script-manager_project:script-manager:*:*:*:*:*:node.js:*:*

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