What’s Vulnerable › Vulnerabilities

CVE-2020-28471: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-25 · updated 2026-06-17
• Weakness: CWE-1321

Description

This affects the package properties-reader before 2.2.0.

Affected products

• properties-reader: before 2.2.0 — fixed in 2.2.0

How to fix

Upgrade to a fixed version: properties-reader 2.2.0. Check the vendor advisory for mitigations.

References

• https://github.com/steveukx/properties/commit/0877cc871db9865f58dd9389ce99e61be05380a5
• https://github.com/steveukx/properties/issues/40
• https://security.snyk.io/vuln/SNYK-JS-PROPERTIESREADER-1048968
• https://github.com/steveukx/properties/commit/0877cc871db9865f58dd9389ce99e61be05380a5
• https://github.com/steveukx/properties/issues/40
• https://security.snyk.io/vuln/SNYK-JS-PROPERTIESREADER-1048968

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