CVE-2021-3560
HighActively exploited (CISA KEV)
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Red Hat Polkit
PublishedFeb 16, 2022
First seenFeb 16, 2022
Added to KEVMay 12, 2023
Weakness typeCWE-863Incorrect authorization
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Jun 2, 2023Update
- polkit_project polkit0.119 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| polkit_project polkit | v < 0.119 | 0.119 |
| debian debian_linux | 11.0 | — |
| canonical ubuntu_linux | 20.04 | — |
| redhat virtualization | 4.0 | — |
| redhat virtualization_host | 4.0 | — |
| redhat openshift_container_platform | 4.7 | — |
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