CVE-2021-3560
Red Hat Polkit Incorrect Authorization Vulnerability
7.8
HIGH
CVSS 3.1
⚠ KEVEPSS 9.1%
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.
How to fix CVE-2021-3560
To remediate CVE-2021-3560, upgrade the affected package to a fixed version below.
- —upgrade to 0.105-31 or later
Is CVE-2021-3560 being exploited?
Yes — CVE-2021-3560 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (1)
- from 0, < 0.105-31
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |