CVE-2021-41093

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    CVE-2021-41093

    Published: 4 Oct 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together.

    References: https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj, https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr, https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255, https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m, https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -b0e7bb3b13dd8212032cb46e32edf701694687c7

    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-2021-41093 | CVE-DB