CVE-2020-28472: Amazon Aws SDK For Javascipt

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.

Affected products

• Amazon Aws SDK For Javascipt: before 2.814.0 (fixed in 2.814.0)
• Amazon Aws Shared Configuration File Loader: version 1.0.0 only

Published 2021-01-19. Last modified 2026-06-17.