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CVE-2021-40836

4.6 · MEDIUM
Published Dec 22, 2021 f-secure EPSS 0.46% (38th pctl)

Overview

CVE-2021-40836 is a medium-severity vulnerability affecting f-secure atlant. It was published on December 22, 2021 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

Remediation

Check the references section for vendor advisories and patches from f-secure. Update atlant to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2021-40836?

CVE-2021-40836 is a medium-severity vulnerability affecting f-secure atlant. It was published on December 22, 2021 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2021-40836?

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-40836?

Check the references section for vendor advisories and patches from f-secure. Update atlant to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-40836?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-40836 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.