CVE-2021-40836: Denial-of-Service (DoS) Vulnerability
First published: Wed Dec 22 2021(Updated: )
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.
Credit: cve-notifications-us@f-secure.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F-Secure Atlant | ||
| F-secure Internet Gatekeeper | ||
| F-Secure Linux Security | ||
| F-secure Linux Security 64 | ||
| 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 2021-12-13_07
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Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2021-40836.
What is the severity of CVE-2021-40836?
The severity of CVE-2021-40836 is medium with a severity value of 5.5.
How does CVE-2021-40836 affect F-Secure antivirus engine?
CVE-2021-40836 affects F-Secure antivirus engine by leading to denial-of-service when scanning MS Outlook .pst files.
Can CVE-2021-40836 be exploited remotely?
Yes, CVE-2021-40836 can be exploited remotely by an attacker.
What is the impact of a successful attack exploiting CVE-2021-40836?
A successful attack exploiting CVE-2021-40836 will result in denial-of-service of the antivirus engine.
Does CVE-2021-40836 affect Apple macOS or Microsoft Windows?
No, CVE-2021-40836 does not affect Apple macOS or Microsoft Windows.
Where can I find more information about CVE-2021-40836?
You can find more information about CVE-2021-40836 at the following link: [F-Secure Security Advisories](https://www.f-secure.com/en/business/support-and-downloads/security-advisories).
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