CVE-2021-23440
CRITICALCVSS 9.8/10EPSS 2.28%
Last modified
CVE-2021-23440 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This affects the package set-value before <2.0.1, >=3.0.0 <4.0.1. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.
Description
This affects the package set-value before <2.0.1, >=3.0.0 <4.0.1. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter 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 |
|---|---|---|
| Set-Value Project | Set-Value | < 2.0.1 |
| Set-Value Project | Set-Value | >= 3.0.0, < 4.0.1 |
| Oracle | Communications Cloud Native Core Policy | 1.14.0 |
References
- https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452Patch, Third Party Advisory
- https://github.com/jonschlinkert/set-value/pull/33Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541Exploit, Third Party Advisory
- https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/Exploit, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452Patch, Third Party Advisory
- https://github.com/jonschlinkert/set-value/pull/33Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541Exploit, Third Party Advisory
- https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/Exploit, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23440?
This affects the package set-value before <2.0.1, >=3.0.0 <4.0.1. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.
How severe is CVE-2021-23440?
CVE-2021-23440 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23440?
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.
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