CVE-2021-40837
4.6 · MEDIUMOverview
CVE-2021-40837 is a medium-severity vulnerability affecting f-secure atlant. It was published on February 9, 2022 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 before Capricorn update 2022-02-01_01 was discovered whereby decompression of ACE file causes the scanner service to stop. 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 |
|---|---|---|---|
| f-secure | atlant | >= 0, < 2022-02-01_01 | Affected |
| f-secure | internet_gatekeeper | >= 0, < 2022-02-01_01 | Affected |
| f-secure | linux_security | >= 0, < 2022-02-01_01 | Affected |
| f-secure | security_cloud | >= 0, < 2022-02-01_01 | Affected |
| f-secure | elements_endpoint_detection_and_response | >= 0, < 2022-02-01_01 | Affected |
| f-secure | elements_endpoint_protection | >= 0, < 2022-02-01_01 | Affected |
References
Frequently Asked Questions
What is CVE-2021-40837?
CVE-2021-40837 is a medium-severity vulnerability affecting f-secure atlant. It was published on February 9, 2022 and has a CVSS 3.1 base score of 4.6 (MEDIUM).
How severe is CVE-2021-40837?
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-2021-40837?
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-2021-40837?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-40837 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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