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 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | polkit | polkit 0.119 |
References
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710Issue Tracking, Patch, Vendor Advisory
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710Issue Tracking, Patch, Vendor Advisory
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560US Government Resource
Timeline
- Published
- Feb 16, 2022
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- May 12, 2023
- NVD status
- Analyzed