CVE-2021-23440

Public Exploit
Prototype Pollution

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.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io Third-Party Advisory huntr.dev Third-Party Advisory oracle.com
Affected: n/a set-value
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212 third party advisory exploit
https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452 third party advisory patch
https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/ third party advisory exploit
https://github.com/jonschlinkert/set-value/pull/33 third party advisory patch
https://www.oracle.com/security-alerts/cpujan2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23440?
CVE-2021-23440 has been scored as a high severity vulnerability.
How to fix CVE-2021-23440?
To fix CVE-2021-23440, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23440 being actively exploited in the wild?
It is possible that CVE-2021-23440 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23440?
CVE-2021-23440 affects n/a set-value.
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