What’s Vulnerable › Vulnerabilities

CVE-2020-17479

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-10 · updated 2026-06-17
• Weakness: CWE-20

Description

jpv (aka Json Pattern Validator) before 2.2.2 does not properly validate input, as demonstrated by a corrupted array.

Affected products

• Json Pattern Validator Project Json Pattern Validator: before 2.2.2 — fixed in 2.2.2

How to fix

Upgrade to a fixed version: Json Pattern Validator Project Json Pattern Validator 2.2.2. Check the vendor advisory for mitigations.

References

• https://blog.sonatype.com/cve-2020-17479
• https://github.com/manvel-khnkoyan/jpv/commit/e3eec1215caa8d5c560f5e88d0943422831927d6
• https://github.com/manvel-khnkoyan/jpv/issues/10
• https://www.npmjs.com/package/jpv
• https://blog.sonatype.com/cve-2020-17479
• https://github.com/manvel-khnkoyan/jpv/commit/e3eec1215caa8d5c560f5e88d0943422831927d6
• https://github.com/manvel-khnkoyan/jpv/issues/10
• https://www.npmjs.com/package/jpv

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