CVE-2021-23820: Prototype Pollution
First published: Wed Nov 03 2021(Updated: )
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.
Credit: report@snyk.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| jsonpointer | ||
| Manuelstofer Json-pointer | <0.6.2 |
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Reference Links
- https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910686
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287
- https://access.redhat.com/security/cve/CVE-2020-7709
- https://github.com/manuelstofer/json-pointer/blob/master/index.js#23L78
- https://github.com/manuelstofer/json-pointer/issues/35
- https://access.redhat.com/errata/RHSA-2022:4880
- https://bugzilla.redhat.com/show_bug.cgi?id=2020369
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2021-23820.
What is the severity of CVE-2021-23820?
The severity of CVE-2021-23820 is critical with a CVSS score of 9.8.
Which versions of the json-pointer package are affected by CVE-2021-23820?
All versions of the json-pointer package are affected by CVE-2021-23820.
What is the impact of CVE-2021-23820?
CVE-2021-23820 can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.
Are there any references available for CVE-2021-23820?
Yes, you can find the references for CVE-2021-23820 [here](https://access.redhat.com/security/cve/CVE-2020-7709), [here](https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287), and [here](https://github.com/manuelstofer/json-pointer/blob/master/index.js#23L78).
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