CVE-2021-3560

high KEV

Published 2023-05-12 · Modified 2023-05-12

CVSS v3

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CVSS v2

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VIR risk

9.5

Description

Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

CISA KEV

Vendor: Red Hat
Product: Polkit
Due date: 2023-06-02

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://bugzilla.redhat.com/show_bug.cgi?id=1961710; https://nvd.nist.gov/vuln/detail/CVE-2021-3560

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3560

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2238

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3560.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202106-24

Exploits

OS impact

OS	Version	Status	Fixed in
arch		fixed	`0.119-1`
sles		affected
rocky	8	fixed
debian	bookworm	fixed	`0.105-31`
debian	bullseye	fixed	`0.105-31`
debian	forky	fixed	`0.105-31`
debian	sid	fixed	`0.105-31`
debian	trixie	fixed	`0.105-31`

References

Verify integrity in audit chain (admin only). AS-IS.