CVE-2020-28448

MEDIUMNVD 5.65.6—

5.6

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.

CVSS v3: 5.6
EG Score: 5.6(medium)
EPSS: 59.0%
KEV: Not listed

Published

December 22, 2020

Last Modified

November 21, 2024

References (4)

report@snykhttps://github.com/evangelion1204/multi-ini/pull/37
report@snykhttps://snyk.io/vuln/SNYK-JS-MULTIINI-1048969
af854a3a-2127-422b-91ae-364da2661108https://github.com/evangelion1204/multi-ini/pull/37
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-MULTIINI-1048969

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
multi-ini	—	2.1.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1321Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Data Freshness Timeline

(refreshed 10× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 23:07 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-28448?

CVE-2020-28448 is a medium vulnerability published on December 22, 2020. 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.

When was CVE-2020-28448 disclosed?

CVE-2020-28448 was first published in the National Vulnerability Database on December 22, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-28448 actively exploited?

CVE-2020-28448 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-28448?

CVE-2020-28448 has a CVSS v3 base score of 5.6 (NVD).

How do I remediate CVE-2020-28448?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-28448, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-28448

📅 Published

🔄 Last Modified

🔗 References (4)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-28448?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)