CVE-2021-3621

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    CVE-2021-3621

    Published: 23 Dec 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

    References: https://lists.debian.org/debian-lts-announce/2025/02/msg00008.html, https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html, https://sssd.io/release-notes/sssd-2.6.0.html, https://bugzilla.redhat.com/show_bug.cgi?id=1975142

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bd71ae53fc0b4bf58633bfd957f7eb1745814dfa
    Fixed -None

    Affected versions

    2.6.0

    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-2021-3621 | CVE-DB