CVE-2021-41819

    Dashboard / Vulnerabilities / CVE-2021-41819

    CVE-2021-41819

    Published: 1 Jan 2022Last Modified: 16 Sept 2026

    Summary:

    Details: CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/, https://security.gentoo.org/glsa/202401-27, https://security.netapp.com/advisory/ntap-20220121-0003/, https://hackerone.com/reports/910552, https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- cf0564fe0e01f816c0602456333c82cc8bde8cf7
    Fixed -None

    Affected versions

    0.1.0

    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-2021-41819 | CVE-DB