CVE-2020-22882 Denial of service in n/a

High 7.5 Published 13 Jul 2021 Updated 4 Aug 2024

Attackers can cause denial of service in the Moddable JavaScript engine by submitting a crafted payload to the fxParserTree function.

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-2020-22882?

CVE-2020-22882 is a high-severity denial of service vulnerability in n/a, published on 13 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Issue was discovered in the fxParserTree function in moddable, allows attackers to cause denial of service via a crafted payload. Fixed in commit 723816ab9b52f807180c99fc69c7d08cf6c6bd61.

Weakness: CWE-843

Which versions are affected by CVE-2020-22882?

It affects 1 product.

Products include Moddable Moddable.

How do I fix CVE-2020-22882?

No fix has been published for CVE-2020-22882 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-22882 being exploited?

There is no known exploitation of CVE-2020-22882 in the wild and no public exploit code.

Sources

Also known as GHSA-5f7p-5pw7-8j36.