CVSS v3
7.8
HIGH
EPSS Score
10.9 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2023-05-12
- Patch Due Date
- 2023-06-02
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-02-16
- Exploit-DB
- EDB-50011
Frequently asked questions
What is CVE-2021-3560?
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.
Is CVE-2021-3560 actively exploited?
Yes. CVE-2021-3560 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-06-02.
What is the CVSS score for CVE-2021-3560?
CVE-2021-3560 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2021-3560 affecting your environment?
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