CVE-2020-6021 Privilege escalation in Check Point Endpoint Security Client for Windows

High 7.8 Published Updated

An attacker can escalate privileges by placing a malicious DLL in the repair directory, which executes with elevated privileges during installation repair.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-6021?

CVE-2020-6021 is a high-severity vulnerability in Check Point Endpoint Security Client for Windows, published on 3 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Check Point Endpoint Security Client for Windows before version E84.20 allows write access to the directory from which the installation repair takes place. Since the MS Installer allows regular users to run the repair, an attacker can initiate the installation repair and place a specially crafted DLL in the repair folder which will run with the Endpoint client’s privileges.

Weakness: CWE-427

Which versions are affected by CVE-2020-6021?

It affects 1 product.

Products include Checkpoint Endpoint Security.

How do I fix CVE-2020-6021?

No fix has been published for CVE-2020-6021 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-6021 being exploited?

There is no known exploitation of CVE-2020-6021 in the wild and no public exploit code.

Sources

Also known as GHSA-p633-7rgq-3w9f.

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