CVE-2021-3560

HIGHCISA KEV

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/16/2022

Last Modified11/6/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorRed Hat

ProductPolkit

Vulnerability NameRed Hat Polkit Incorrect Authorization Vulnerability

KEV Date Added2023-05-12

Remediation Due Date2023-06-02

Ransomware UseUnknown

Affected Products

canonical:ubuntu_linuxdebian:debian_linuxpolkit_project:polkitredhat:enterprise_linuxredhat:openshift_container_platformredhat:virtualizationredhat:virtualization_host

Weaknesses (CWE)

CWE-863CWE-754

References

http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html(secalert@redhat.com)

http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1961710(secalert@redhat.com)

https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/(secalert@redhat.com)

http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html(af854a3a-2127-422b-91ae-364da2661108)

http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=1961710(af854a3a-2127-422b-91ae-364da2661108)

https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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