High severity8.8NVD Advisory· Published Dec 23, 2021· Updated Jun 17, 2026
CVE-2021-3621
CVE-2021-3621
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
39- cpe:2.3:a:fedoraproject:sssd:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
- SSSD/SSSDdescription
- osv-coords24 versionspkg:rpm/almalinux/libsss_nss_idmap-develpkg:rpm/opensuse/sssd&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/sssd&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/sssd&distro=openSUSE%20Tumbleweedpkg:rpm/suse/sssd&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/sssd&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.4.0-9.el8_4.2+ 23 more
- (no CPE)range: < 2.4.0-9.el8_4.2
- (no CPE)range: < 1.16.1-23.11.1
- (no CPE)range: < 2.5.2-150400.4.5.14
- (no CPE)range: < 2.9.3-2.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-17.14.1
- (no CPE)range: < 1.16.1-23.11.1
- (no CPE)range: < 2.5.2-150400.4.5.14
- (no CPE)range: < 1.16.1-4.40.1
- (no CPE)range: < 1.16.1-7.22.4
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-4.40.1
- (no CPE)range: < 1.16.1-7.22.4
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-8.64.1
- (no CPE)range: < 1.16.1-7.22.4
- (no CPE)range: < 1.16.1-4.40.1
- (no CPE)range: < 1.16.1-4.40.1
Patches
Vulnerability mechanics
References
4- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/05/msg00028.htmlnvdThird Party Advisory
- sssd.io/release-notes/sssd-2.6.0.htmlnvdRelease NotesThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/02/msg00008.htmlnvd
News mentions
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