CVE-2021-23807

MEDIUM

Janl Jsonpointer < 5.0.0 - Type Confusion

Title source: rule
STIX 2.1

Description

This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.

References (4)

Core 4
Core References
Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry x_refsource_misc
https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288
Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry x_refsource_misc
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273
Patch, Third Party Advisory x_refsource_misc
https://github.com/janl/node-jsonpointer/pull/51

Scores

CVSS v3 5.6
EPSS 0.0017
EPSS Percentile 38.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-843
Status published
Products (3)
janl/jsonpointer < 5.0.0
npm/jsonpointer 0 - 5.0.0npm
npm/org.webjars.npm:json-pointer 0 - 5.0.0npm
Published Nov 03, 2021
Tracked Since Feb 18, 2026