CVE-2021-23449

Public Exploit

Sandbox Bypass

Description

This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-VM2-1585918	third party advisory exploit
https://github.com/patriksimek/vm2/issues/363	third party advisory
https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886	third party advisory patch
https://github.com/patriksimek/vm2/releases/tag/3.9.4	third party advisory release notes
https://security.netapp.com/advisory/ntap-20211029-0010/	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-23449?: CVE-2021-23449 has been scored as a critical severity vulnerability.
How to fix CVE-2021-23449?: To fix CVE-2021-23449, 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-2021-23449 being actively exploited in the wild?: It is possible that CVE-2021-23449 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23449?: CVE-2021-23449 affects n/a vm2.

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Description

Category

CWE-1321 – Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

References

Frequently Asked Questions