CVE-2021-4264

Public Exploit
LinkedIn dustjs prototype pollution

Description

A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.17%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory vuldb.com
Affected: LinkedIn dustjs
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.216464 vdb entry third party advisory
https://vuldb.com/?ctiid.216464 vdb entry permissions required signature
https://github.com/linkedin/dustjs/issues/804 issue tracking exploit third party advisory
https://github.com/linkedin/dustjs/pull/805 issue tracking patch exploit third party advisory
https://github.com/linkedin/dustjs/commit/ddb6523832465d38c9d80189e9de60519ac307c3 third party advisory patch
https://github.com/linkedin/dustjs/releases/tag/v3.0.0 release notes third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-4264?
CVE-2021-4264 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4264?
To fix CVE-2021-4264, 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-2021-4264 being actively exploited in the wild?
It is possible that CVE-2021-4264 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-2021-4264?
CVE-2021-4264 affects LinkedIn dustjs.
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