CVE-2020-6021

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-03 · updated 2026-06-17
Weakness: CWE-427

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.

Affected products

Check Point Endpoint Security Client for Windows: before e84.20 — fixed in e84.20

How to fix

Upgrade to a fixed version: Check Point Endpoint Security Client for Windows e84.20. Check the vendor advisory for mitigations.

References

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