CVE-2021-23820
CRITICALCVSS 9.8/10EPSS 1.81%
Last modified
CVE-2021-23820 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Manuelstofer | Json-Pointer | < 0.6.2 |
References
- https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910686Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910686Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-23820?
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.
How severe is CVE-2021-23820?
CVE-2021-23820 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-2380Vulnerability in the Oracle Applications Framework product o…7.6
- CVE-2021-23803This affects the package latte/latte before 2.10.6. There is…9.8
- CVE-2021-23807This affects the package jsonpointer before 5.0.0. A type co…9.8
- CVE-2021-2381Vulnerability in the Oracle Solaris product of Oracle System…3.9
- CVE-2021-23814This affects versions of the package unisharp/laravel-filema…8.8
- CVE-2021-2382Vulnerability in the Oracle WebLogic Server product of Oracl…9.8
- CVE-2021-23824This affects the package Crow before 0.3+4. When using attri…6.1
- CVE-2021-23827Keybase Desktop Client before 5.6.0 on Windows and macOS, an…5.5
- CVE-2021-2383Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2021-23835An issue was discovered in flatCore before 2.0.0 build 139. …4.9
- CVE-2021-23836An issue was discovered in flatCore before 2.0.0 build 139. …4.8
- CVE-2021-23837An issue was discovered in flatCore before 2.0.0 build 139. …6.5
Are you affected by CVE-2021-23820?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST