How severe is CVE-2020-28448?

CVE-2020-28448 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-28448 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28448?

CVE-2020-28448 affects Multi-ini Project Multi-ini. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28448?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-28448 published?

CVE-2020-28448 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-28448

CVE-2020-28448 is a medium-severity vulnerability in Multi-ini Project Multi-ini with a CVSS 3.x base score of 5.6. 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-1321.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Multi-ini Project Multi-ini
Published: 2020-12-22
Last modified: 2026-06-17

Description

This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.

Frequently asked questions

What is CVE-2020-28448?: This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.
How severe is CVE-2020-28448?: CVE-2020-28448 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-28448 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28448?: CVE-2020-28448 affects Multi-ini Project Multi-ini. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28448?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28448 published?: CVE-2020-28448 was published on 2020-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:multi-ini_project:multi-ini:*:*:*:*:*:node.js:*:*

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