CVE-2020-24391 Remote code execution in mongo-express

Critical 9.8 Published Updated

Attackers can execute arbitrary code via unsafe handling of advanced syntax in the mongo-express web interface.

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

What is CVE-2020-24391?

CVE-2020-24391 is a critical code injection vulnerability in n/a, published on 30 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mongo-express before 1.0.0 offers support for certain advanced syntax but implements this in an unsafe way. NOTE: this may overlap CVE-2019-10769.

Which versions are affected by CVE-2020-24391?

2 open source packages ship an affected version, including mongodb-query-parser. It affects 1 product.

PackageAffectedFixed in
mongodb-query-parser npmAll versions2.0.0
mongodb-query-parser npmAll versions2.0.0

Products include Mongo-Express Project Mongo-Express.

How do I fix CVE-2020-24391?

Upgrade mongodb-query-parser to 2.0.0 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-24391 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-24391 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-hxmg-hm46-cf62.

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