Vulnerability CVE-2021-23509
Published: 2021-11-03

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.

Type:

CWE-843

 (Access of Resource Using Incompatible Type ('Type Confusion'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Json-ptr project -> Json-ptr 

 References:
https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca
https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291
https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved
https://github.com/flitbit/json-ptr/pull/42
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165
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