CVE-2021-27935

    Dashboard / Vulnerabilities / CVE-2021-27935

    CVE-2021-27935

    Published: 3 Mar 2021Last Modified: 7 Aug 2026

    Summary:

    Details: An issue was discovered in AdGuard before 0.105.2. An attacker able to get the user's cookie is able to bruteforce their password offline, because the hash of the password is stored in the cookie.

    References: https://github.com/AdguardTeam/AdGuardHome/issues/2470

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1789c96c7f59fe3b94270e0a6133f8baf0aa01eb

    Affected versions

    v0.105.1-beta.1
    v0.105.1
    v0.105.0-beta.5
    v0.105.0
    v0.105.0-beta.4
    v0.105.0-beta.3

    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-2021-27935 | CVE-DB