CVE-2021-23329

Public Exploit
Prototype Pollution

Description

The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a nested-object-assign
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-NESTEDOBJECTASSIGN-1065977 third party advisory exploit
https://github.com/Geta/NestedObjectAssign/pull/11 exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23329?
CVE-2021-23329 has been scored as a high severity vulnerability.
How to fix CVE-2021-23329?
To fix CVE-2021-23329, 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-2021-23329 being actively exploited in the wild?
It is possible that CVE-2021-23329 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-2021-23329?
CVE-2021-23329 affects n/a nested-object-assign.
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