CVE-2021-23426

Public Exploit

Prototype Pollution

Description

This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.

5.6

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.26%

Third-Party Advisory snyk.io Third-Party Advisory npmjs.com

Affected: n/a Proto

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-PROTO-1316301	exploit third party advisory mitigation
https://www.npmjs.com/package/Proto	third party advisory product

Frequently Asked Questions

What is the severity of CVE-2021-23426?: CVE-2021-23426 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23426?: To fix CVE-2021-23426, 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-2021-23426 being actively exploited in the wild?: It is possible that CVE-2021-23426 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-2021-23426?: CVE-2021-23426 affects n/a Proto.

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