CVE-2020-28472

Name: CVE-2020-28472
Creator: NVD / NIST
Published: 2021-01-19T11:15:13.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.14%

Last modified Jun 17, 2026

CVE-2020-28472 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.14% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.14%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Amazon	Aws Sdk For Javascipt	< 2.814.0	—
Amazon	Aws Shared Configuration File Loader	1.0.0	Alpha1

References

https://github.com/aws/aws-sdk-js-v3/commit/a209082dff913939672bb069964b33aa4c5409a9Patch, Third Party Advisory
https://github.com/aws/aws-sdk-js/pull/3585/commits/7d72aff2a941173733fcb6741b104cd83d3bc611Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1059426Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1059425Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-AWSSDK-1059424Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-AWSSDKSHAREDINIFILELOADER-1049304Exploit, Third Party Advisory
https://github.com/aws/aws-sdk-js-v3/commit/a209082dff913939672bb069964b33aa4c5409a9Patch, Third Party Advisory
https://github.com/aws/aws-sdk-js/pull/3585/commits/7d72aff2a941173733fcb6741b104cd83d3bc611Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1059426Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1059425Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-AWSSDK-1059424Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-AWSSDKSHAREDINIFILELOADER-1049304Exploit, Third Party Advisory

Timeline

Published: Jan 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28472?

How severe is CVE-2020-28472?

CVE-2020-28472 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28472?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28472?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST