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    CVE-2021-41617

    sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

    Published:Sep 26, 2021
    Last Modified:May 12, 2026
    EPS:Sep 26, 2021
    EPSS Score:0.00274
    CVSS Score:7

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Aff 500f
    Vendor
    Netapp
    Product
    Aff 500f Firmware
    Vendor
    Netapp
    Product
    Aff A250
    Vendor
    Netapp
    Product
    Aff A250 Firmware
    Vendor
    Netapp
    Product
    Clustered Data Ontap
    Vendor
    Netapp
    Product
    Hci Management Node
    Vendor
    Netapp
    Product
    Ontap Select Deploy Administration Utility
    Vendor
    Netapp
    Product
    Solidfire
    Vendor
    Openbsd
    Product
    Openssh
    Vendor
    Oracle
    Product
    Http Server
    Vendor
    Oracle
    Product
    Zfs Storage Appliance Kit
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Starwindsoftware
    Product
    Starwind Virtual San

    Exploits

    https://github.com/AdnanApriliyansyahh/CVE-2021-41617

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://bugzilla.suse.com/show_bug.cgi?id=1190975
    https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
    https://security.netapp.com/advisory/ntap-20211014-0004/
    https://www.debian.org/security/2023/dsa-5586
    https://www.openssh.com/security.html
    https://www.openssh.com/txt/release-8.8
    https://www.openwall.com/lists/oss-security/2021/09/26/1
    https://www.oracle.com/security-alerts/cpuapr2022.html
    https://www.oracle.com/security-alerts/cpujul2022.html
    https://www.starwindsoftware.com/security/sw-20220805-0001/
    https://www.tenable.com/plugins/nessus/154174
    https://bugzilla.suse.com/show_bug.cgi?id=1190975
    https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
    https://security.netapp.com/advisory/ntap-20211014-0004/
    https://www.debian.org/security/2023/dsa-5586
    https://www.openssh.com/security.html
    https://www.openssh.com/txt/release-8.8
    https://www.openwall.com/lists/oss-security/2021/09/26/1
    https://www.oracle.com/security-alerts/cpuapr2022.html
    https://www.oracle.com/security-alerts/cpujul2022.html
    https://www.starwindsoftware.com/security/sw-20220805-0001/
    https://www.tenable.com/plugins/nessus/154174
    https://cert-portal.siemens.com/productcert/html/ssa-019113.html
    https://cert-portal.siemens.com/productcert/html/ssa-082556.html

    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