CVE-2021-23509

MEDIUM

Json-ptr < 3.0.0 - Type Confusion

Title source: rule
STIX 2.1

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.

References (5)

Core 5
Core References
Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry x_refsource_misc
https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291
Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry x_refsource_misc
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165
Patch, Third Party Advisory x_refsource_misc
https://github.com/flitbit/json-ptr/pull/42
Broken Link, Third Party Advisory x_refsource_misc
https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved

Scores

CVSS v3 5.6
EPSS 0.0175
EPSS Percentile 82.6%
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 (2)
json-ptr_project/json-ptr < 3.0.0
npm/json-ptr 0 - 3.0.0npm
Published Nov 03, 2021
Tracked Since Feb 18, 2026