CVE-2021-27856

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    CVE-2021-27856

    Published: 15 Dec 2021Last Modified: 10 Mar 2026

    Summary:

    Details: FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 includes an account named "cmuser" that has administrative privileges and no password. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA002.

    References: , https://www.fatpipeinc.com/support/cve-list.php, https://www.zeroscience.mk/codes/fatpipe_backdoor.txt, https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5684.php

    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-2021-27856 | CVE-DB