CVE-2020-28270 Prototype pollution in object-hierarchy-access

Critical 9.8 Published Updated

Prototype pollution in object-hierarchy-access allows attackers to cause denial of service and potentially execute remote code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-28270?

CVE-2020-28270 is a critical vulnerability in object-hierarchy-access, published on 12 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Prototype pollution vulnerability in 'object-hierarchy-access' versions 0.2.0 through 0.32.0 allows attacker to cause a denial of service and may lead to remote code execution.

Weakness: CWE-1321

Which versions are affected by CVE-2020-28270?

2 open source packages ship an affected version, including object-hierarchy-access. It affects 1 product.

PackageAffectedFixed in
object-hierarchy-access npmFrom 0.2.00.33.0
object-hierarchy-access npmFrom 0.2.00.33.0

Products include Mjpclab Object-Hierarchy-Access.

How do I fix CVE-2020-28270?

Upgrade object-hierarchy-access to 0.33.0 or later.

Is CVE-2020-28270 being exploited?

There is no known exploitation of CVE-2020-28270 in the wild and no public exploit code.

Sources

Also known as GHSA-fxwf-45c7-4ppr.

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