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CVE-2021-3560Red Hat Polkit Incorrect Authorization Vulnerability
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.
7.8 HIGHEPSS 22.19%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.2 | HIGH | 2.0NVD | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Jun 2, 2023
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-3560
- Status
- Analyzed
- Assigner (CNA)
- redhat
- Published
- Feb 16, 2022
- Last modified
- 2026-06-17 04:05 UTC
Affected Products
As published by the CNA in the CVE record.
polkit1 version range
- polkit 0.119
References
- packetstormsecurity.com http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
- packetstormsecurity.com http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1961710
- github.blog https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560