Critical severity · published Nov 3, 2021
CVE-2021-23820
This affects all versions of package json-pointer
9.8
CVSS
1.9%
EPSS
No
On KEV
Description
This affects all versions of package json-pointer. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
Json-pointer · Manuelstofer
before 0.6.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23820
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23820
Third Party Advisory
https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78
Exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910686
Exploit
https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287
More from Json-pointer
7.2
CVE-2020-7709
This affects the package json-pointer before 0.6.1