CVE-2020-7713 Prototype Pollution

Critical 9.8 Published Updated

Prototype pollution in arr-flatten-unflatten allows attackers to modify object prototypes, potentially leading to code execution or privilege escalation.

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

What is CVE-2020-7713?

CVE-2020-7713 is a critical vulnerability in arr-flatten-unflatten, published on 1 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

All versions of package arr-flatten-unflatten are vulnerable to Prototype Pollution via the constructor.

Weakness: CWE-1321

Which versions are affected by CVE-2020-7713?

2 open source packages ship an affected version, including arr-flatten-unflatten. It affects 1 product.

PackageAffectedFixed in
arr-flatten-unflatten npmAll versions to 1.1.4None
arr-flatten-unflatten npmAll versions to 1.1.4None

Products include Arr-Flatten-Unflatten Project Arr-Flatten-Unflatten.

How do I fix CVE-2020-7713?

No fix has been published for CVE-2020-7713 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-7713 being exploited?

There is no known exploitation of CVE-2020-7713 in the wild and no public exploit code.

Sources

Also known as GHSA-w8f3-pvx4-4c3h.

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