High severity7.8CISA KEVNVD Advisory· Published Feb 16, 2022· Updated Jun 17, 2026
CVE-2021-3560
CVE-2021-3560
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
42- cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:*:*:*:*
- polkit/polkitdescription
- osv-coords34 versionspkg:rpm/opensuse/polkit&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/polkit&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/polkit&distro=openSUSE%20Tumbleweedpkg:rpm/suse/polkit&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/polkit&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/polkit&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/polkit&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/polkit&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/polkit&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/polkit&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/polkit&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/polkit&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/polkit&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0.116-lp152.2.3.1+ 33 more
- (no CPE)range: < 0.116-lp152.2.3.1
- (no CPE)range: < 0.116-3.3.1
- (no CPE)range: < 0.118-7.2
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.116-3.3.1
- (no CPE)range: < 0.116-3.3.1
- (no CPE)range: < 0.116-3.3.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.114-3.12.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
- (no CPE)range: < 0.113-5.21.1
Patches
Vulnerability mechanics
References
5- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchVendor Advisory
- github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/nvdExploitThird Party Advisory
- packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.htmlnvdThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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