Detections
Analytics

CVE-2021-23807

critical

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

https://github.com/janl/node-jsonpointer/pull/51

https://github.com/janl/node-jsonpointer/commit/a0345f3550cd9c4d89f33b126390202b89510ad4

https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273

Details

Source: Mitre, NVD

Published: 2021-11-03

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00189