CVE-2020-7771 Prototype Pollution

High 7.5 Published Updated

Prototype pollution in asciitable.js 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
Available

What is CVE-2020-7771?

CVE-2020-7771 is a high-severity vulnerability in asciitable.js, published on 4 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The package asciitable.js before 1.0.3 are vulnerable to Prototype Pollution via the main function.

Weakness: CWE-1321

Which versions are affected by CVE-2020-7771?

2 open source packages ship an affected version, including asciitable.js. It affects 1 product.

PackageAffectedFixed in
asciitable.js npmAll versions1.0.3
asciitable.js npmAll versions1.0.3

Products include Asciitable.js Project Asciitable.js.

How do I fix CVE-2020-7771?

Upgrade asciitable.js to 1.0.3 or later.

Is CVE-2020-7771 being exploited?

There is no known exploitation of CVE-2020-7771 in the wild and no public exploit code.

Sources

Also known as GHSA-5pxj-mhwj-x5gv, SNYK-JS-ASCIITABLEJS-1039799.

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