Vulnerability · Published Sep 1, 2021 · Assigned by snyk

CVE-2021-23426Prototype Pollution

Medium 5.6

In plain English

A medium-severity security flaw in Proto. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)0.9%top 41.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmprotono fix listedGHSA-58g2-9fqr-36q2

Affected products (as reported)

VendorProductVersions
n/a Proto 0 – before unspecified

References