High severity7.0NVD Advisory· Published Sep 26, 2021· Updated May 12, 2026
CVE-2021-41617
CVE-2021-41617
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
103- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:http_server:12.2.1.2.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:oracle:http_server:12.2.1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14398:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*
- OpenSSH/OpenSSHdescription
- Range: >=6.2, <8.8
- osv-coords85 versionspkg:rpm/almalinux/opensshpkg:rpm/almalinux/openssh-askpasspkg:rpm/almalinux/openssh-cavspkg:rpm/almalinux/openssh-clientspkg:rpm/almalinux/openssh-keycatpkg:rpm/almalinux/openssh-ldappkg:rpm/almalinux/openssh-serverpkg:rpm/almalinux/pam_ssh_agent_authpkg:rpm/opensuse/openssh-askpass-gnome&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/openssh&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/openssh&distro=openSUSE%20Tumbleweedpkg:rpm/suse/openssh-askpass-gnome&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/openssh&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/openssh&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/openssh&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/openssh&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/openssh&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/openssh&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/openssh&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/openssh&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/openssh&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/openssh&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/openssh-openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITY
< 8.0p1-13.el8+ 84 more
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 8.0p1-13.el8
- (no CPE)range: < 0.10.3-7.13.el8
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 9.6p1-3.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 6.6p1-36.26.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 8.4p1-3.6.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 6.6p1-36.26.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.6p1-9.44.1
- (no CPE)range: < 7.9p1-6.28.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 8.1p1-5.21.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 7.2p2-74.60.1
- (no CPE)range: < 7.2p2-78.13.1
- (no CPE)range: < 6.6p1-19.12.1
Patches
Vulnerability mechanics
References
15- bugzilla.suse.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- www.oracle.com/security-alerts/cpuapr2022.htmlnvdPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20211014-0004/nvdThird Party Advisory
- www.openssh.com/security.htmlnvdVendor Advisory
- www.openssh.com/txt/release-8.8nvdRelease NotesVendor Advisory
- www.openwall.com/lists/oss-security/2021/09/26/1nvdMailing ListThird Party Advisory
- www.oracle.com/security-alerts/cpujul2022.htmlnvdThird Party Advisory
- www.starwindsoftware.com/security/sw-20220805-0001/nvdThird Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlnvd
- lists.debian.org/debian-lts-announce/2023/12/msg00017.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/nvd
- www.debian.org/security/2023/dsa-5586nvd
- www.tenable.com/plugins/nessus/154174nvd
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