CVE-2021-33600
5.4 · MEDIUMOverview
CVE-2021-33600 is a medium-severity vulnerability affecting f-secure internet_gatekeeper. It was published on September 28, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. The vulnerability occurs because of an attacker can trigger assertion via malformed HTTP packet to web interface. An unauthenticated attacker could exploit this vulnerability by sending a large username parameter. A successful exploitation could lead to a denial-of-service of the product.
Remediation
Check the references section for vendor advisories and patches from f-secure. Update internet_gatekeeper 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 | internet_gatekeeper | 5.10 | Affected |
References
Frequently Asked Questions
What is CVE-2021-33600?
CVE-2021-33600 is a medium-severity vulnerability affecting f-secure internet_gatekeeper. It was published on September 28, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-33600?
This vulnerability has a CVSS 3.1 base score of 5.4, 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-2021-33600?
Check the references section for vendor advisories and patches from f-secure. Update internet_gatekeeper 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-2021-33600?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-33600 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.
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