CVE-2021-31866

    Dashboard / Vulnerabilities / CVE-2021-31866

    CVE-2021-31866

    Published: 28 Apr 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.

    References: https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html, https://www.redmine.org/news/131, https://www.redmine.org/projects/redmine/wiki/Security_Advisories

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ffaff01ccf0548c22f2e24486162988e4eda8575

    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-2021-31866 | CVE-DB