How severe is CVE-2020-7730?

CVE-2020-7730 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-2020-7730 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7730?

CVE-2020-7730 affects Bestzip Project Bestzip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7730?

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-2020-7730 published?

CVE-2020-7730 was published on 2020-09-04 and last updated on 2026-06-17.

CVE-2020-7730

CVE-2020-7730 is a critical-severity vulnerability in Bestzip Project Bestzip 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% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Bestzip Project Bestzip
Published: 2020-09-04
Last modified: 2026-06-17

Description

The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.

Frequently asked questions

What is CVE-2020-7730?: The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.
How severe is CVE-2020-7730?: CVE-2020-7730 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-2020-7730 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7730?: CVE-2020-7730 affects Bestzip Project Bestzip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7730?: 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-2020-7730 published?: CVE-2020-7730 was published on 2020-09-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bestzip_project:bestzip:*:*:*:*:*:node.js:*:*

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