CVE-2021-3560

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 17, 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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863CWE-754

Affected software

No affected versions have been published.

Timeline

Published
Feb 16, 2022
Last modified
Jun 17, 2026
Added to CISA KEV
May 12, 2023
NVD status
Analyzed

Related CVEs from 2021

CVE-2021-356015.7Vulnerability in the PeopleSoft Enterprise CS SA Integration Pack product of Oracle PeopleSoft (component: Students Administration). SupportCVE-2021-356025.0Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Supported versions that are affected are 8.0.26 and CVE-2021-356033.7Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affCVE-2021-356045.5Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.35 and prior andCVE-2021-356065.7Vulnerability in the PeopleSoft Enterprise CS Campus Community product of Oracle PeopleSoft (component: Notification Framework). Supported vCVE-2021-356076.5Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.0.26 and prioCVE-2021-356085.3Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affecteCVE-2021-356096.5Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR). Supported versions that are affected aCVE-2021-35617.1An Out of Bounds flaw was found fig2dev version 3.2.8a. A flawed bounds check in read_objects() could allow an attacker to provide a craftedCVE-2021-356107.1Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 anCVE-2021-356114.3Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Offline Template). Supported versions that are affeCVE-2021-356125.5Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 an
CVE-2021-3560: High severity, CVSS 7.8 | Vulnix