CVE-2021-20089 Other in purl

High 8.8 Published Updated

Prototype pollution in the purl library allows attackers to inject properties into Object.prototype, potentially leading to code execution or security bypasses.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-20089?

CVE-2021-20089 is a high-severity vulnerability in purl, published on 23 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

Weakness: CWE-1321

Which versions are affected by CVE-2021-20089?

It affects 1 product.

Products include Purl Project Purl.

How do I fix CVE-2021-20089?

No fix has been published for CVE-2021-20089 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-20089 being exploited?

There is no known exploitation of CVE-2021-20089 in the wild and no public exploit code.

Sources

Also known as GHSA-fc5x-mj45-vx78.

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