CVE-2021-23509

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

2%p78

Published

Nov 3, 2021 (Nov 3, 2021)

Modified

Jun 17, 2026

Description

This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.

Vendors: json-ptr project
Products: json-ptr
Weakness: CWE-843
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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