CVE-2021-33600

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    CVE-2021-33600

    Published: 28 Sept 2021Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    References: , https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600, https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-33600 | CVE-DB