SARA / Free Tools / CVE / CVE-2021-3560

CVE-2021-3560 — Red 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

CVSS
EPSS
11.74% (top 6.40%)
CWE
CWE-863
Published
2022-02-16T00:00:00.000Z
Last modified
2025-10-21T23:15:46.259Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2023-05-12
BOD 22-01 due
2023-06-02
Ransomware use
Unknown

01What is this 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.

02Affected products

VendorProductVersions
na / polkitpolkit 0.119

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-05-12. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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