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    CVE-2021-3560

    It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    Published:Jun 3, 2021
    Last Modified:Nov 6, 2025
    EPS:Feb 16, 2022
    EPSS Score:0.11522
    CVSS Score:7.8

    CISA Notification

    Description

    It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Jun 2, 2023
    1197 days ago
    Alert Date
    May 12, 2023
    1218 days ago

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Polkit Project
    Product
    Polkit
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Container Platform
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor
    Vendor
    Redhat
    Product
    Virtualization
    Vendor
    Redhat
    Product
    Virtualization Host

    Exploits

    https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/https://www.exploit-db.com/exploits/50011https://github.com/0dayNinja/CVE-2021-3560https://github.com/aancw/polkit-auto-exploithttps://github.com/adakoifman/CVE-2021-3560https://github.com/admin-079/CVE-2021-3560https://github.com/Almorabea/Polkit-exploithttps://github.com/Antoine-MANTIS/POC-Bash-CVE-2021-3560https://github.com/arcslash/exploit_CVE-2021-3560https://github.com/asepsaepdin/CVE-2021-3560https://github.com/AssassinUKG/Polkit-CVE-2021-3560https://github.com/BizarreLove/CVE-2021-3560https://github.com/chenaotian/CVE-2021-3560https://github.com/cpu0x00/CVE-2021-3560https://github.com/curtishoughton/CVE-2021-3560https://github.com/f4T1H21/CVE-2021-3560-Polkit-DBushttps://github.com/hakivvi/CVE-2021-3560https://github.com/iSTAR-Lab/CVE-2021-3560_PoChttps://github.com/Jeanback1/CVE-2021-3560-exploithttps://github.com/Kyyomaa/CVE-2021-3560-EXPLOIThttps://github.com/LucasPDiniz/CVE-2021-3560https://github.com/m4lk3rnel/CVE-2021-3560https://github.com/MandipJoshi/CVE-2021-3560https://github.com/markyu0401/CVE-2021-3560-Polkit-Privilege-Escalationhttps://github.com/NeonWhiteRabbit/CVE-2021-3560https://github.com/pashayogi/ROOT-CVE-2021-3560https://github.com/realatharva15/polkit-CVE-2021-3560_writeuphttps://github.com/RicterZ/CVE-2021-3560-Authentication-Agenthttps://github.com/secnigma/CVE-2021-3560-Polkit-Privilege-Esclationhttps://github.com/SeimuPVE/CVE-2021-3560_Polkithttps://github.com/swapravo/polkadotshttps://github.com/TieuLong21Prosper/CVE-2021-3560https://github.com/titusG85/SideWinder-Exploithttps://github.com/UNICORDev/exploit-CVE-2021-3560https://github.com/winmin/CVE-2021-3560https://github.com/WinMin/CVE-2021-3560https://github.com/WithinOneStem/POC-Bash-CVE-2021-3560https://github.com/yutasato88/CVE-2021-3560-PolkitPrivilegeEsclation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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