Advisory Published
Updated

CVE-2021-40832: Denial-of-Service (DoS) Vulnerability

First published: Fri Oct 08 2021(Updated: )

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.

Credit: cve-notifications-us@f-secure.com

Affected SoftwareAffected VersionHow to fix
F-Secure Atlant
F-secure Cloud Protection For Salesforce
F-secure Elements For Microsoft 365
F-secure Internet Gatekeeper
F-Secure Linux Security
F-secure Elements Endpoint Detection And Response
F-secure Elements Endpoint Protection
Apple macOS
Microsoft Windows

Remedy

FIX No User action is required. The required fix has been published through automatic update channel with Capricorn update 2021-09-29_03

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Frequently Asked Questions

  • What is CVE-2021-40832?

    CVE-2021-40832 is a Denial-of-Service (DoS) vulnerability discovered in F-Secure Atlant.

  • Which products are affected by CVE-2021-40832?

    The following F-Secure products are affected: F-Secure Atlant, F-Secure Cloud Protection For Salesforce, F-Secure Elements For Microsoft 365, F-Secure Internet Gatekeeper, F-Secure Linux Security, F-Secure Elements Endpoint Detection And Response, F-Secure Elements Endpoint Protection.

  • How can CVE-2021-40832 be exploited?

    CVE-2021-40832 can be exploited remotely by an attacker.

  • What is the severity of CVE-2021-40832?

    CVE-2021-40832 has a severity rating of 6.5 (medium).

  • Where can I find more information about CVE-2021-40832?

    More information about CVE-2021-40832 can be found on the F-Secure website: [https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40832](https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40832)

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