vulnerability
Ubuntu: USN-4980-1 (CVE-2021-3560): polkit vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jun 3, 2021 | Jun 4, 2021 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jun 3, 2021
Added
Jun 4, 2021
Modified
Mar 27, 2026
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.
Solutions
ubuntu-upgrade-libpolkit-agent-1-0ubuntu-upgrade-libpolkit-gobject-1-0ubuntu-upgrade-policykit-1
Rapid7 Labs
2026 Global Threat Landscape Report
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