CVE-2021-27791

    Dashboard / Vulnerabilities / CVE-2021-27791

    CVE-2021-27791

    Published: 12 Aug 2021Last Modified: 10 Mar 2026

    Summary:

    Details: The function that is used to parse the Authentication header in Brocade Fabric OS Web application service before Brocade Fabric OS v9.0.1a and v8.2.3a fails to properly process a malformed authentication header from the client, resulting in reading memory addresses outside the intended range. An unauthenticated attacker could discover a request, which could bypass the authentication process.

    References: , https://security.netapp.com/advisory/ntap-20210819-0002/, https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1491

    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-2021-27791 | CVE-DB