What is CVE-2021-3560?

CVE-2021-3560 is a vulnerability in Polkit, classified under Incorrect Authorization. Published 2022-02-16.

Is CVE-2021-3560 known to be exploited?

Yes. CVE-2021-3560 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-05-12), indicating it is being actively exploited. 229 public proof-of-concept repositories are indexed.

Auth bypass in Polkit

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, creat…

Vulnerability class: Broken Access Control

EPSS: 0.091 (92.8th percentile) — read the EPSS interpretation.

Affected products

N/a Polkit — versions polkit 0.119

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-05-12. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-06-02.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-3560?: CVE-2021-3560 is a vulnerability in Polkit, classified under Incorrect Authorization. Published 2022-02-16.
Is CVE-2021-3560 known to be exploited?: Yes. CVE-2021-3560 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-05-12), indicating it is being actively exploited. 229 public proof-of-concept repositories are indexed.