Vulnerability Description
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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 | - |
References
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-Vendor Advisory
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cVendor Advisory
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-Vendor Advisory
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cVendor Advisory
FAQ
What is CVE-2021-33603?
CVE-2021-33603 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can...
How severe is CVE-2021-33603?
CVE-2021-33603 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33603?
Check the references section above for vendor advisories and patch information. Affected products include: F-Secure Atlant, F-Secure Cloud Protection For Salesforce, F-Secure Elements For Microsoft 365, F-Secure Internet Gatekeeper, F-Secure Linux Security.