How severe is CVE-2020-7794?

CVE-2020-7794 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-2020-7794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7794?

CVE-2020-7794 affects Buns Project Buns. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7794?

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-2020-7794 published?

CVE-2020-7794 was published on 2021-01-08 and last updated on 2026-06-17.

CVE-2020-7794

CVE-2020-7794 is a critical-severity vulnerability in Buns Project Buns 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: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Buns Project Buns
Published: 2021-01-08
Last modified: 2026-06-17

Description

This affects all versions of package buns. The injection point is located in line 678 in index file lib/index.js in the exported function install(requestedModule).

Frequently asked questions

What is CVE-2020-7794?: This affects all versions of package buns. The injection point is located in line 678 in index file lib/index.js in the exported function install(requestedModule).
How severe is CVE-2020-7794?: CVE-2020-7794 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-2020-7794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7794?: CVE-2020-7794 affects Buns Project Buns. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7794?: 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-2020-7794 published?: CVE-2020-7794 was published on 2021-01-08 and last updated on 2026-06-17.

References

https://snyk.io/vuln/SNYK-JS-BUNS-1050389

Affected products (1)

cpe:2.3:a:buns_project:buns:*:*:*:*:*:node.js:*:*

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