How severe is CVE-2020-28460?

CVE-2020-28460 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-2020-28460 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28460?

CVE-2020-28460 affects Multi-ini Project Multi-ini. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28460?

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

When was CVE-2020-28460 published?

CVE-2020-28460 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-28460

CVE-2020-28460 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: 2% (72nd 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 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.

Frequently asked questions

What is CVE-2020-28460?: This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.
How severe is CVE-2020-28460?: CVE-2020-28460 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-2020-28460 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28460?: CVE-2020-28460 affects Multi-ini Project Multi-ini. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28460?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28460 published?: CVE-2020-28460 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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