What’s Vulnerable › Vulnerabilities

CVE-2020-8237

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-18 · updated 2026-06-17
• Weakness: CWE-400

Description

Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.

Affected products

• json-bigint: before 1.0.0 — fixed in 1.0.0

How to fix

Upgrade to a fixed version: json-bigint 1.0.0. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/916430
• https://hackerone.com/reports/916430

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