Vulnerability · Published Dec 22, 2020 · Assigned by snyk

CVE-2020-28460Prototype Pollution

Medium 5.6

In plain English

A medium-severity security flaw in multi-ini. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)1.5%top 25.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmmulti-ini2.1.2GHSA-67mq-h2r9-rh2m

Affected products (as reported)

VendorProductVersions
n/a multi-ini unspecified – before 2.1.2

References